i'm back, who want to join my force?

The battle for Earth has ended but the battle for the universe has just begun. After returning to Cybertron, Starscream assumes command of the Decepticons and has decided to return to Earth with force on a mission to take Sam Witwicky prisoner, after he learns the truth about the ancient origins of the Transformers. The Autobots then finds out that Skorpinox has stolen Megatron's dead body has been stolen from the US Military and revived him using his own spark. Now Megatron is back seeking revenge with Starscream and more Decepticons reinforcements on the way. Joining the mission to protect humankind is me (Optimus Prime), who forms an alliance with international armies for a second epic battle.