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 details between these events differ between universes. Sometimes Optimus Prime merged with Vector Sigma soon after defeating the Hate Plague, and returned much, much later as Star Convoy. Sometimes Optimus Prime partnered up with Marissa Faireborn to receive upgrades through mutual kissing. Sometimes... look, he did a lot of weird stuff, okay? He later sacrifices himself to restore the Matrix of Leadership.
The character Optimus Prime appears in the live action films Transformers, Transformers: Revenge of the Fallen, and Transformers: Dark of the Moon as the leader of the Autobots and one of the main protagonists of the three films. In these movies, Optimus Prime is able to transform into a conventional Peterbilt 379 cab, rather than the cab over design of his original Generation 1 body. In Transformers: Dark of the Moon, he regains his first generation trailer. Also straying from the G1 design, Prime's vehicle mode is now decorated with red flames painted onto a blue body Ă  la Rodimus Prime, his Generation 1 successor. The reason for the change was due to Director Michael Bay's decree that mass displacement does not occur when they transform, requiring Optimus's vehicle form to have more mass to achieve the desired size in his robot form.
Optimus Prime is a redeco of Revenge of the Fallen Optimus Prime with predominately red forearms and red/silver thighs, which it was meant to be a Generation 1-inspired deco. He comes bundled with redecos of The Fallen, Megatron, Jetfire, and Starscream in a Kmart-exclusive five-pack. To date, this is the only Hasbro release of this figure that acknowledges the combining feature between Jetfire and Optimus Prime.
There are two versions of the voice changer helmet with two different pre-recorded voices. An earlier release features a voice similar to Garry Chalk, while the later release features the voice of Peter Cullen. The latter version has modified packaging under the 'Try Me!' blurb, stating it has 'Real Movie Voice!', though the updated version has also appeared in the original packaging without the 'Real Movie Voice!' notice.

Though the figure does a much better job of conveying the on-screen character model than the ROTF Leader Class mold did, there are still a few inaccuracies—most notably the forearm and shoulder pad designs and the head/torso proportions. The final product also lacks certain paint details visible in stock and packaging imagery, such as the blue rings on his feet and the gold on his pelvis. It should be noted that this mold does not combine with Jetfire.
Released as part of the first wave of the Energon Igniters Nitro Series, this Optimus Prime is a new Voyager-sized mold that converts from a robot based on his Age of Extinction body into a truck in 11 steps, and he features 5mm-compatible hands & articulation on his head, arms, and only his upper legs. He also features built-in Ion Cannons in this lower leg panels, activated in vehicle mode. He also comes with his own energon core, which is a different mold from his Power Plus toy.
Mission Racer Optimus Prime features a pull-back gimmick by using a rubber band: insert the rubber band onto the front and rear post, then place Optimus Prime onto the ramp and pull his trailer backwards, and release the trailer for allowing the truck to zoom forward. The rubber band also has Optimus Prime's name and the Autobot insignia tampographed oh it.
While the other Autobots searched for the Matrix on Earth, Optimus Prime searched for Vector Sigma, guided through the dangers of the planet's catacombs by the spirit of Alpha Trion. Prime eventually arrived at the computer, only to find his way barred by Cyclonus and Scourge. At that moment, Hot Rod arrived with the Matrix, the same with which Alpha Trion merged, re-energizing it. The Matrix transformed Hot Rod back into Rodimus Prime and, for the first time, the two Primes fought side-by-side and defeated Galvatron. Before Rodimus could implement the Matrix to stabilize Vector Sigma, however, Optimus Prime merged himself with the computer, restoring its balance to save the planet. Optimus Prime sacrificed himself, dying again only a few short episodes after his rebirth. Later, Prime would make a final and permanent return in the Japanese Transformers continuity, Battlestars: Return of Convoy. This entry was only available in print, appearing in the TV Magazine, a Japanese publication.
As with all Action Master toys, Optimus Prime himself could not transform. His sculpt is based heavily upon the The Transformers cartoon model, though the colour scheme may be based upon his Powermaster (pre-supermode cab robot only) body, with blue forearms as opposed to just blue fists, although unlike the Powermaster cab robot it has blue thighs as well. His truck cab vehicle and the trailer do transform, though neither have robot modes. The truck cab can transform into a small plane, while the trailer transforms into a battle station with turrets that several Action Masters can man.
Labeled as a "Triple Changer", Striker Optimus is a redeco and retool of Dark of the Moon Supreme Class Jetwing Optimus Prime, with new weapons. The base figure has most of the same mold changes as Jetwing Optimus Prime (see below), but has been altered further; in particular, the transforming smokestacks and fuel tanks/ion blaster parts have been replaced with retooled regular tanks that now function as mounts for the new accessories. The colors on the toy are darker than Jetwing Optimus, with a different flame deco that extends farther along the sides of the toy. Additionally, two new 5mm holes have been added to the gray hinge behind the cab in order to accommodate the Toys R Us Japan-exclusive battle blade accessories. The "I am Optimus Prime" saying of Buster Optimus Prime has also been replaced with the "We must stop the Decepticons!" saying of 2010 Transformers Optimus Prime, although batteries are not included.
Part of the first wave of Bot Shots Series 1 single-packs, Optimus Prime is a teeny little long-nosed semi truck with "trailer", with a spring-loaded automatic transformation to robot mode triggered when his front bumper is pressed. He has a "spinner" in his chest that shows his three attack types and power levels. His truck mode and robot body are influenced by the live-action Optimus Prime, while his head is taken from the original. His blue paint is light and sparkly-metallic, his red paint is dull matte, and his optics are yellow.
In this universe, Optimus Prime transforms into a fire engine. The front section of the vehicle detaches and becomes Prime himself, armed with "Blaze Blaster" cannons. To attack, he is able to use his headlights, known as the "Fire Flash" attack, and leg wheels, known as the "Gyro-Strike". The rest of the vehicle transforms into a mobile battle station/refueling port/communications array and can combine with Prime as additional weapons and armor, forming his super mode referred to as "Super Fire Convoy". The ladder/hose section houses Prime's Power Stream water cannon, capable of shooting freezing streams of water, called his Blizzard Storm attack. It also contains a quartet of rocket launchers. In super mode, his feet contain missile launchers than can mount to the shoulders of his regular robot mode. In this mode, he can fire his fists for his "Flying Fist" attack.
After a long period of stalemate, Prime grew frustrated at the lack of progress his troops were making against Megatron's forces. To remedy the situation, he ordered the creation of several new Transformers who would be perfectly adapted for combat on Earth. The first among these was Pirhana. Piranha's The Official Transformers: Generation 2 Annual profile But one of the Autobots' great victories came not through superior numbers or firepower, but trickery and cunning. As part of a plan devised by Optimus Prime's new second-in-command Prowl, the Autobots allowed Starscream to "overhear" that they had uncovered an ancient Cybertronian ship with the means to return to Cybertron. They then stationed themselves around the vessel, atop of Table Mountain in Africa, and awaited the inevitable Decepticon attack over its possession. Optimus met Megatron in battle, but ordered his troops to withdraw after a brief skirmish, declaring the Decepticons too powerful to hold back. Once the Decepticons claimed their prized and entered the ship, they found themselves locked inside it. The ship then shot up away from the planet, leaving the Decepticons without the means to control it. Though the Autobots knew this wouldn't rid them permanently of the Decepticons, they were satisfied with a brief period of calm while they were off-world. Day of the Decepticons
Golden Lagoon Convoy is a gold and gold chrome redeco of MP-10 in homage of the original cartoon episode of the same name. He retains his energon axe, ion blaster, and Matrix of Leadership. Part of TakaraTomy's 35th anniversary celebration, he was initially released at Summer Wonder Festival 2018, then later through Cybertron Satellite stores across Japan and TakaraTomy Mall.
The mid-range Voyager class Movie Optimus Prime toy transforms into an amalgamation of the Kenworth W900 and the Peterbilt 379, making this toy fairly inaccurate to the actual vehicle Optimus Prime turned into. Because of the smaller size and lessened complexity, the Voyager class Optimus Prime features a significantly different transformation sequence compared to the Leader class toy, and indeed, the actual CGI design. However, as the actual truck cabin no longer forms his chest, the cabin now features a small interior with opening doors and a non-removable cowboy-hat-bedecked driver figurine that flips out of the seat when the driver's side door is opened.
In Axiom Nexus, General Optimus Prime found himself inducted into the Convoy, a group of Optimus Primes and their kin dedicated to safeguarding the multiverse. While the other Convoy members tended to stay in the upper reaches of Axiom Nexus, the General was able to use his unusual appearance for an Optimus Prime to venture in the Offworlder zones without suspicion, a great help to Offworlder Zone Security Administration Commander Cheetor. The General was also assisted in his new mission by his longtime scout, Sergeant Hound. General Optimus Prime profile card Sgt. Hound profile card
Optimus Prime is composed of two parts, his truck cab and his trailer. His new truck cab is reminiscent of the original Optimus Prime truck cab, but is constructed entirely of plastic, lacks vacuum-metalized plastic and has no clear windows. It also transforms differently in that the front of the truck is no longer the robot mode's chest. His chest is now formed out of the truck's cabin rear, styled after his cartoon appearance. He is armed with two long black rifles, based in part upon his cartoon rifle.
Another release of the Leader Class Optimus Prime figure, now redecoed from the original Revenge of the Fallen Leader Class mold, but with the gimmick-less arms from the Supreme Class retool, and a pair of articulated fingers which was not previously used for the original release. He also retains his pair of Energon Swords and Hooks, and his Knuckle piece. He also retains the fuel tanks that can combine to form his ion blaster. In terms of deco, he features a darker plastic color and paint (which resulted in a two-tone shades of silver & gunmetal), which is meant to go with this line's Jetfire.
After step 5, the instructions did not mention that you should fold back the shoulder panels to form the sleeper part until the 11th step. Care must be taken while transforming the legs: the small peg located on the lower leg can be snapped off due to the peg being slightly thick to accommodate with the hole. Also, take note that Optimus Prime cannot wield 5mm weapons with longer posts, as the way that his pinky finger is molded prevents the post from pegging down through his hands. Also, take note that the legs' sculpted small rectangle peg (the one that locks the robot mode legs in place) is prone to warping if care is not taken during transformation.

In Transformers Ongoing, which takes place two years after the events of All Hail Megatron, the Autobots would remain on Earth as Prime feared the return of the Decepticons. Unfortunately, this led to the capture of a number of Autobots by Skywatch, including Windcharger, Gears and Prowl. Hot Rod was reformatted into a Pagani Zonda. Already frustrated, he lashed out at Optimus, accusing him of keeping the Autobots on the planet because he needed someone to protect and demanding he be allowed lead a team to rescue Prowl. An admonished Prime agreed to a covert operation, but with Ironhide along to watch over things. While Prowl was freed, it turned out the humans had used him as bait to draw the other Autobots in. However Wheeljack's new shielding protected Hot Rod's team from Skywatch's inhibitors and in a panic the soldiers switched to lethal measures. Hot Rod was targeted and Ironhide was killed protecting him. An enraged Hot Rod turned on the humans, damaging their equipment and machinery.
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