Nexus prime was the leader of the autobots as tirelessly fighting against the evil decepticons trying to save their world cybertron the decepticons leader is trying to take over the planet to make it his.His name is megatron he wants to take nexus prime head on nexus sends out clones to defeat megatron but they could not defeat him nexus had to take him head on as they battle nexus gets weak because of the dark energon but it makes megatron more and more stronger megatron punch nexus to the ground and he said it was time to finish you then megatron stabs nexus in his spark nexus prime last words was that someday one prime will defeat you but before he could say something he died megatron did not believe that no one can defeat him