A Hasbro Comic Book Event of epic proportions! The TRANSFORMERS are under attack from COBRA, G.I. JOE's greatest enemy! As Earth joins the intergalactic community, a massive explosion threatens the peace! A new COBRA—led by the worst villains to ever tangle with G.I. Joe, M.A.S.K.:Mobile Armored Strike Kommand, and the Transformers—is invading Cybertron, and only Scarlett, Optimus Prime, the Joes, and the Autobots can save two worlds! It's a race to the finish as good fights evil! Will our heroes win, or will Cobra DESTROY ALL TRANSFORMERS?!?