Optimus became the leader of the Autobots for a time, then disappeared, leaving his people to be ruled tyrannically by Megatron.Targetmasters Megatron never stopped seeking out his old foe, rewarding any of his troops that provided him with information that could lead to Optimus's whereabouts. The Golden Boys As for the Autobots, they were uncertain exactly as to why Optimus had disappeared; some believed Optimus had simply abandoned his troops, while other believed he was fulfilling some greater purpose and would return to them in their hour of need. Ultimately, it was Snake-Eyes and Duke who found the Autobot leader, lost in the void between dimensions. Form Follows Function There, the three of them became ensnared by the Quintessons. They escaped the extra-dimensional entities' mind-probe and made their way back to normal space. En route, Optimus learned from Duke that Bumblebee had traveled to Earth and met his demise there. His human companions went off to help their friends on Cybertron, while Optimus headed for T.H.E. P.I.T. on Earth, eviscerating numerous Coltonbolt satellites as he entered the atmosphere. Everybody Hates Metroplex
Classics Optimus Prime was initially intended to be Deluxe-sized. An alleged list of the tentative Classics line-up included a Deluxe-sized Optimus Prime without a trailer and a version with a trailer at the Voyager price point; however, it appears the decision was eventually made to upscale Optimus to Voyager size instead. Don Figueroa's control drawings for the Deluxe version were leaked before the Classics line was even released at retail. A gray model prototype was later shown as part of an interview with TakaraTomy's staff in Transformers Generations 2009 vol. 1. It's unclear whether the trailer ever made it past the early planning stage before the size of the figure was changed.
Alternatively, if Optimus chose to use the tainted fuel against the Decepticons, he ordered Grapple to carry out the vat outside of headquarters. He then instructed Grapple to lower the vat into a nearby pit, and instructed Jazz to torch the fuel with his flamethrower. He and Jazz waited until the last possible moment to carry out their plan, and once the fuel was lit, they dived to safety inside the Autobot base with the other Autobots. As the toxic cloud successfully turned away the Decepticons, Optimus was surprised to see Sunstreaker once more fully operational. Having been bought enough time, Perceptor was able to successfully cure the poisoned Autobots. Their ranks fully replenished and the Decepticons turning tail meant the Autobots had earned themselves another victory.
Some time later, as the war raged between Autobots and Decepticons on Earth, Optimus had requested the Aerialbots as reinforcements from Cybertron. Though they nearly defected to the Decepticons, Optimus was able to secure the Aerialbots as allies. Later, when a power plant had to be evacuated of its human workers due to the fear of landslides, Optimus posted Denfensor at the location to secure its protection. Optimus then drove off to check up on the rest of his troops who were aiding in the area’s evacuation. Though he passed a military convoy heading towards a plant, he thought nothing of it, unaware that they were the newly created Combaticons in disguise. Optimus then reached the Ark, and from there opened communications with the Aerialbots. Optimus had someone come into the know that the Decepticons were moving in towards the plant. He watched from afar as Defensor and Superion fought Menasor and Bruticus, wary to send more Autobots into the fray while these titans wreaked havoc onto the battlefield. Optimus allowed himself a smile when the Aerialbots and the Protectobots proved themselves superior teams to the Decepticons’, though at the back of his mind, he was wary. After all, Megatron himself had chosen not to add his considerably weight to the battle... The Special Teams
He next appears in Transformers: Energon, the only time during the Unicorn Trilogy where Prime is not the main protagonist. In Energon, set ten years after Armada, he is no longer able to combine with his trailer. Instead, he has been gifted with the Spark of Combination by Primus, allowing him to combine with the quartet of vehicular drones in his trailer. Fire One, Copter Two, Digger Three, and Submarine Four, can each form either an arm or a leg when they combine with Prime, creating his super mode. Later, Prime gained the ability to combine with fellow Autobots Wing Saber and Omega Supreme, the latter case creating Optimus Supreme.
Adventure Lucky Draw Optimus Prime is a gold vacuum metalized redeco of the original Warrior Class figure (save for some of his unpaintable thighs & upper shoulders) released as a prize for the Transformers Adventure prize draw campaign held between 25 July 2015 and 30 September 2015. To obtain it, entrants needed to send in four robot points clipped from the packaging of Transformers Adventure products.
Power Surge Optimus Prime is a new mold, in the size of a Leader Class figure, which transforms in 7 steps. It comes with the Mini-Con Aerobolt, who transforms from a bird to his chestplate. This triggers electronic lights and sounds, as well as deploying a mask, two shoulder cannons, and a pair of large wings for the larger robot. His front truck kibble can be removed, but you can transform him into vehicle mode with the kibble on.
In Another Light, Rodimus finally assumes total control over the Autobots upon Optimus Prime and several of his closest loyalists being jettisoned into space and left near death following the Battle of Decepticon City. However, his reign came to a swift end when the group returned, having been reformatted into the Knights of Unicron. The heroically reborn Optimus, now known as Nova Prime, engaged his usurper in battle and defeated Rodimus, sending him plummeting into Cybertron's depths. However, Rodimus then encountered the malevolent Primus, who enlisted his aid and that of other "true Autobots" in ridding his surface of those he considered vermin-namely, all Decepticons and Autobots not loyal to the same cause. This would lead to an epic battle between Primus' minions and the heroic Transformers of their universe: Galvatron's Decepticons, Nova Prime's Autobots, and a group of Maximals created from Classics Autobots.
He now comes with a half-translucent gun which lights up and expands MechTech-style when the lever is pulled. Bizarrely, the main section of the weapon is sculpted to resemble Prime's forearm, with the unfolding part being his in-show gun. Additionally, he comes with an opaque sword resembling the Star Saber, which he can wield two-handed. The gun features a peg on its underside and a port on each side, while the sword features a peg and peg-hole on its hilt in addition to its 5mm handle. In robot mode, either accessory can mount on his hands, on either of his shoulders, or be pegged into either of his half-translucent forearms. In vehicle mode, the top of the vehicle mode cab can also fold back to reveal two additional peg holes, and there are three peg holes (including the fifth wheel hitch) on the back section, although the hitch tends to open up and not hold very well.
In robot mode, like Combat Hero Prime, the bottom of the truck became his familiar windowed chest based upon the original Optimus Prime toy. His main gimmick was light up LED headlights, and a lightpipe in the bottom of his right fist, illuminated by an LED in his right forearm, that would illuminate his clear sword or his double-barreled rifle if they were used in that hand. All three LEDs were activated simultaneously by pressing the sunroof-like depression on the roof of the truck.