Free Comic Book Day quickly approaches, and the Transformers bots are gearing up for their deadliest face-off. Worlds will die, heroes will fall, and things will never be the same. Prepare yourself for the bot battle of a lifetime by catching up with IDW’s Transformers Required Reading Guide! Arm yourself with knowledge, as we approach the final battle. Transformers: Unicron begins with issue #0 this Free Comic Book Day, May 5th.