Heroes such as Solus, Nexus, and Vector Prime are just names from make-believe stories of long ago.
At a later time, Optimus Prime helped defend a power plant from a Decepticon attack, this time headed by Starscream and a mind-controlled.
Further information in this article is coming as it pertains to information that has not yet been officially released.
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! RELATED: If the situation called for nothing else, he'd advise extreme caution to whoever was undertaking the mission - using logic and reason to mete out the potential for harm.
Prime blasted a way out of the caverns, but on the way back to the Ark, the Decepticons attacked again, and Prime found himself in the difficult position of fighting Starscream and protecting the human ship.
Arriving on Cybertron, he found it completely under Decepticon domination.