For thousands of years, OPTIMUS PRIME and his AUTOBOTS have traveled through space in search of the AllSpark. For all that time, the AUTOBOT leader has held one goal in mind – to protect the universe from the evil of MEGATRON. For this massive, metal warrior, nothing is more important than freedom; he will sacrifice all for its preservation. He has fought for centuries, modifying his body into an unstoppable war machine, preparing for that day he knows is coming when he and MEGATRON meet for one final battle!