SIMON FURMAN

Four million years before the Transformers came to Earth, civil war rocks their home world of Cybertron, and Optimus Prime faces his first - and greatest - challenge. But before he can deal with the Decepticons, the new Autobot leader must look within...and decide if Cybertron is worth saving at all.

In the aftermath of Escalation's thundering showdown in Brasnya, factions on Earth stir into bold and demonstrative action. With both the Machination and Skywatch poised to strike, each possessing Cybertronian tech and inside knowledge of the alien en ...