During the war, Optimus was killed in battle by Megatron, but was eventually resurrected. The Fight Begins Coming to the dire realization that the war against the Decepticons had become a never-ending arms race, Optimus Prime challenged Megatron to single-combat, with their troops acting as witnesses to their terrible and final clash. The battle between both faction leaders ended with Megatron beaten down and goading Optimus into delivering the kill shot...

Multiple reports suggest that the toy suffers from a design flaw, inferior plastic quality, or both: Due to his hands having peg-holes that are a bit too small to accommodate 5mm posts, they have a tendency to show stress marks on the inside after pegging his sword handle (or most other pegs) inside. Stress marks also tend to appear near his tiny hinged wrists. Fortunately, there have been no reports of the hands actually breaking on either location thus far.

The designs for the original 28 figures were made by Kojin Ono, Takashi Matsuda, Hideaki Yoke, Hiroyuki Obara, and Satoshi Koizumi. Hasbro would go on to buy the entire toy line from Takara, giving them sole ownership of the Transformers toy-line, branding rights, and copyrights, while in exchange, Takara was given the rights to produce the toys and the rights to distribute them in the Japanese market.
Released exclusively in Japan, Bumblebee Legendary Optimus Prime is an all-new Leader Class mold, taking many cues from the Age of Extinction Evasion Mode Optimus Prime mold. His head can also switch into either maskless or masked faces. He also comes with an Ion Blaster, which can be pegged on his 5mm compatible hands and can store on his back. His truck mode can tow Convoy's (MP-10) trailer.
Optimus and Bumblebee snuck into the Decepticons' base, and found their enemies upgrading themselves with Autobot parts. The pair took offense to this, and Bumblebee set about sabotaging the process. Megatron wound up tripping on some gumballs thanks to the Autobot's mucking about, and Optimus congratulated his fellow Autobot on a prank well done! Intro!
The Hasbro website explains it best: "The rogue DARK NINJA MASTER was exiled to a cave beneath Arashikage Mountain for betraying the ninja clans. After finding the Moon's Blood, a mystical stone of great power, he was able to channel the energy of dead ninjas, making him almost unstoppable. Seeking revenge, he has emerged from his subterranean prison to destroy all ninjas. Only two people can stop him: STORM SHADOW and SNAKE EYES. The two adversaries must join forces, for only by working together will they be strong enough to defeat this evil super-ninja."
If Optimus decided to send the lead team to attack the Decepticon headquarters, the team managed to infiltrate the Decepticon headquarters by using Beachcomber’s knowledge of the secret doors’ location, and Brawn’s strength to keep the doors opened. The Autobots then stormed the fortress, and Optimus maimed Megatron himself with a shot of his rifle. He then grappled the Decepticon leader, and forced him to lead himself, Inferno and Beachcomber to the Decepticons’ lab. There, the Autobots disabled and destroyed the Destruction Beam device, captured Megatron, and left many Decepticons permanently maimed. Though they later traded Megatron back to the Decepticons for the safe relief of the Autobots captured in Center City, the Autobots were ultimately victorious that day.

This Optimus Prime is a somewhat/nearly screen-accurate redeco of the Leader Class figure, but uses the original Leader mold instead of the Armor Knight retool unfortunately. In comparison to the first Age of Extinction Leader Class figure, his vacuum-metalized front truck bumper, sun visors, robot mode chest, smokestacks and side tanks chest was omitted, revealing the grey plastic underneath. His chromed chest was also stripped of chrome for adding paint operations, his shield was unpainted, and both of his sword and truck mode windows were casted in colorless plastic. He also features some extra silver paint on his robot mode forehead, and his white-colored Autobot insignia is slightly tampographed on the left. And lastly, his light-piping eyes is neutered by blue paint.

Ultra Magnus is a redeco of the Diaclone "Powered Convoy" figure, itself a redeco and slight retool of "Battle Convoy", the toy that became the original Optimus Prime figure, sporting a new trailer. One of the last few Diaclone toys to be released in the Transformers toyline, Magnus was recolored from the original toy's dark blue, red and black color scheme into a more patriotic red, white and blue, though his chestplate, which was rendered white in his package art followed a more the blue color scheme of his shoulders. He transforms into a Freightliner COE, towing a car-carrier trailer capable of transporting up to four normal-sized Autobot cars. As with Optimus Prime, his cab transforms into a small robot, which can then combine with the trailer to form a "super robot", although all original Generation 1 fiction prior to the 21st century ignored this and simply rendered the super robot as Magnus's default robot form. To facilitate this combination, Magnus sports a slightly longer front axle than Prime, thereby creating tabs on either side of the cab that slide into grooves in the trailer to help lock the small robot into place. He is armed with a rifle sporting two handles that allow either of his robot modes to hold it, and two shoulder-mounted missile launchers, whose spring-loaded firing mechanism was removed for the Hasbro release of the figure.
A later prototype/mock-up was much closer to the final product but still has some noticeable differences, such as a head with much larger antennae, longer smokestacks and a front grille section that includes the rectangular section that would sport the "Freightliner" logo on the real-life truck (on the final toy, the rectangular section is part of the hinged upper section that includes the windows). It would have also been possible to attach the ion blaster to either of his shoulders.[12]
In 1989, the entire line became limited to Pretenders and Micromasters. For the first time, the Transformers received a new design for their title logo. But many also regarded this as a time of a dearth in creativity and the lowest point in the toyline's history. The year 1990 saw the last American burst with the release of more Micromaster characters and the introduction of the Action Masters, non-transforming action figures who came with Transforming companions. Larger Action Master sets came with transforming vehicles and bases. The Action Master line was criticized for its perceived desperation for a gimmick, although it had a few defenders. The line predictably faded and would be the last Transformers output in the US until 1992.
Ultra Magnus's legendary status was exceeded only by the legendary status of Optimus Prime. Combiner Wars Ultra Magnus toy bio Upgraded with the power of combination, Optimus could combine with any bots to form Ultra Prime. Combiner Wars Optimus Prime toy bio With mastery over the power of Combiners, the combined courage of Optimus and the Autobots would stop the Decepticon Combiners threatening cities and entire civilizations. Combiner Wars Battle Core Optimus Prime toy bio
Prime's body was entombed in a massive deep-space mausoleum with the many other fallen Autobots. In 2006, his grave was desecrated and his body reanimated by Quintessons in an attempt to destroy the Autobots by using Prime to lure their space fleet into a trap. The Matrix was able to purify Prime of the Quintesson influence, and he ordered the other Autobots to clear out while he piloted his flagship into the Quintessons' detonator, triggering the explosion of a nearby sun. Prime was supposedly destroyed in the explosion. According to "The Return of Optimus Prime", Prime's body was recovered from the craft by two human scientists, Jessica Morgan and Gregory Swofford, just minutes before the explosion. As their ship departed, it was coated with solar spores, which induce rage and madness in any sentient being they came into contact with, released by the explosion of the sun. Jessica's father, Mark Morgan, loathed all Transformers, and his hatred only grew when an attempt by the Decepticons to steal a heat-resistant alloy he had developed resulted in Jessica being paralyzed. Swofford and Morgan reconstructed Optimus Prime's body, planning to use it as a delivery system for the spores in order to destroy the Transformers.
He includes the Sword of Judgment and Sentinel Shield accessories, which he can respectively wield and mount on his left forearm, all via 6mm post. In truck mode, the sword is stored underneath, while the shield mounts onto the trailer hitch. The sword also features a 5mm post on its hilt. Interestingly, the truck mode is able to pull G1 Optimus Prime's trailer.
In one reality, while the Autobots were boarding the Ark, Optimus voiced his lack of confidence in his leadership, before welcoming aboard Geosensus, who was incapable of transforming to robot mode. Four million years later, Prime and Prowl found the Ark was under attack and defended it with deadly force. In examining the wreckage of the attackers, they realised that the robot Optimus had destroyed was not a Decepticon but Geosensus, who had forced himself to transform in an attempt to fight off the Decepticons. Though Prime was willing to take the rap, Prowl insisted on covering up the mistake to protect Optimus's image as a leader. Parts
Released as part of the Target-exclusive Reveal The Shield subline, this Tiny Turbo Changer 3-pack contains a redecoed Optimus Prime and Bumblebee (in their first non-blindpacked release) and a new Steelbane figure. This version of Optimus features red wheels & Tech Spec-esque patterns on his robot mode chest and... groin-flaps, though the real decoding is on his vehicle mode roof, which when seen through the attached clear-red weapons (or similar plastic device) reveals... an Autobot symbol. Surprise.
The main Prime line in Japan, while mostly using the same molds, was quite a bit different from the Hasbro version. Hoping to snag a slightly-older market, the toys were given a bit of "model kit" vibe. Paint operations were reduced and replaced with old-fashioned sticker sheets, so you had to customize/complete the toy itself... and then there was the blatantly model-kit Arms Microns packed in with every toy.
Released as part of the Single Pack assortment, Optimus Prime is a show-accurate, non-transforming die-cast vehicle based on his alternate mode. He features through-axle construction, allowing for super-speedy racing on smooth surfaces, and his car mode is compatible with many tracks and playsets from Hot Wheels and Matchbox. He features 4 wheels, as opposed to the Legion Class' 6 wheels & his larger toy's 10 wheels. Optimus Prime also comes with a collector's flyer.
In 2004 the LEGO group was in trouble. They were losing money and losing market share to other toys and entertainment products4.  In order to address some fundamental issues in their business, they needed to cut costs. Leading up to this crisis, LEGO bricks had been adding new designs and colors without consideration for the cost to the business. LEGO went through a large reorganization and cut the production of unique elements in half, the variety of colors in half, and the number of suppliers by 80%. This, in addition to an increase in licensed sets and an expansion into video games, saved the LEGO Company.

When a new threat, the Elder Gods, appeared, a group of Autobots acquired the help of Tobias Muldoon and Nikola Tesla to travel to the glacier and waken Prime. Infestation 2: The Transformers #1 Tesla's Tesla tower wasn't enough on its own, so Wheeljack, Ratchet, Trailblazer, and Hound gave energy necessary to recharge Optimus Prime. Optimus awoke and revived the other Autobots with his energon reserves, before traveling to Port Cenotaph, Nova Scotia where an Elder God had risen from the sea. Diving into the ocean, Optimus cleaved parts off the Elder God until it and its followers returned to the depths. Though Tobias asked if the creature was dead, Optimus wasn't sure, but promised the Autobots would be there to defend Earth if it ever returned. Infestation 2: The Transformers #2 Infestation 2 #1
Throughout the first two seasons, Optimus Prime has led the Autobots to many victories, such as stopping Megatron from controlling the crystal of power, stopping the Dinobots' rebellion by saving Grimlock, defeating Devastator with his detach arm, helping capture Nightbird, rescuing Blaster and Cosmos from the Decepticons on the Moon with the help of Omega Supreme, and helping save Perceptor and the other Transformers from the cosmic rust disease.

The Goldbug change happens in many different continuities, but in the original animated series, it happens like this: while trying to rescue the body of the dead Optimus Prime, which was being held by evil humans, Bumblebee’s damaged by Superion so badly that they have to rebuild him as a more powerful Throttlebot. His new body is much shinier, so a restored Optimus Prime dubs him Goldbug. In the Shattered Glass continuity, he goes evil as Goldbug. And in the IDW comics, confusingly, Goldbug was never affiliated with Bumblebee, but is the leader of the Throttlebots.

A BotCon 2012 exclusive purple redeco of the Deluxe "Generation 2" Optimus Prime figure from the Generations toy line, with the sword's blade molded in clear yellow. Much like the 2008 Voyager figure, this figure has painted-in "battle damage" effects. The right side of the hood has the words, "I shall stand...", while the left side says, "The rest shall fall."

Part of the first wave of Age of Extinction Custom Kreons, this Optimus comes with a buildable parts rack on which to hang/store his many many extra pieces. His "normal" helmet and blaster are chromed, plus he comes with an extra clear-plastic helmet, torso and legs. He also has a pair of extra arms (originally from the Kre-O Battleship aliens) plus a spare hand, as well as a buildable battle-axe, a buildable smokestack-pack, and an extra Wheeljack-style wing-pack.
His original trailer is not included with the set; instead, he comes with a new deluxe-scaled trailer, not available with any other figure, based on the one towed by Prime in Dark of the Moon. The trailer is compatible with both figures, and sports 5mm post-holes that will hold (among many other things) G1 Prime's laser rifle and the MechTech weapon Movie Prime is armed with.
Takara's version of the figure was released in their markets slightly earlier, as the first of what would come to be several installments in their Masterpiece line. In addition to coming with a cardboard trailer that the buyer could assemble to "complete" Prime's truck mode, Takara's release differed from Hasbro's by featuring longer smokestacks (kept short on the Hasbro version for safety reasons, but incorrectly shown to be long in the stock photography shown at right), and lacking the black scorch-marked "battle damage" paint applications Hasbro included on the figure's shoulders, wrists and abdomen.
Optimus and his Autobots were aboard the Ark, on the run from the Decepticons. With him, Optimus had what Megatron was forever seeking; the AllSpark! With the ship taking heavy damage from the Autobots' pursuers, Optimus ordered Jazz to take them into an emergency quantum jump. Jazz informed Prime that the jump would take longer to initiate than the time the Decepticons would need to board their vessel. As such, Optimus entrusted the AllSpark to Bumblebee while he and the rest of the bridge crew steeled themselves to hold off their enemies. Thanks to Starscream breaking rank in the Decepticons' formation, Optimus was able to hold back Megatron, and with Heatwave's help, repel them from the ship just as it initiated the quantum jump. However, at that moment the AllSpark tumbled off-ship, falling into the quantum tunnel and seemingly being lost for good... Angry Birds Transformers #1
This Japanese-exclusive reissue of the original Generation 1 Optimus Prime figure featured tinted blue windows, like those sported by the "Goodbye Convoy" edition of the toy, as well as show-accurate blue eyes. Prime came with all his original accessories, including both versions of his rifle, as well as a new die-cast metal Matrix of Leadership accessory, which could be looped around his neck on a removable chain. Additionally, the set included a show-accurate redeco of the Action Master Optimus Prime figure, a sheet of Autobot insignia stickers of varying sizes, and a mouse pad decorated with the Autobot symbol.
If Perceptor gave out the right amount of an antidote, the poisoned Autobots were cured. Optimus ordered his troops to ready themselves for the incoming squadron of Decepticons. Perceptor’s antidote did have a side-effect on the Autobots, however; it gave them a fierce battle-fever, making them eager to take on the Decepticons head-on. Prowl suggested to Optimus that they instead opt for a more conniving counterstrike against the Decepticons, and ambush them instead.
 This is an arbitrary line but it is a line that needed to be drawn. There have been many promotional sets over the years which have very few pieces but carry a higher price because of their promotional status. These can range from keychains to individual minifigs to seasonal items. They are not representative of the typical price of a LEGO brick and therefore should not be included in the evaluation.
The original Ultra Magnus figure has been reissued and redecoed several times down the years, and this article strives to list each edition of the figure under its own heading. The first alteration to Magnus, however, was a running change made while he was still on shelves: Originally, his tires were made of rubber and he sported paint on both his small and large robot heads, but this version was soon replaced with one featuring plastic tires and no paint on either head. In addition, the clear yellow plastic that formed his windows was removed from the cab, leaving just holes instead; and his thighs and fuel tanks were left white, as opposed to the vacuum metalized chrome ones of the original release.
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