The Armageddon Game Has Begun! Under the leadership of the Shredder, the TMNT begin a dangerous quest to seek out allies against Rat King's trio of terror: LeatherKrang, Baxter Stockman, and Madame Null. It's a mission that will see the Turtles spread out across New York City... and across multiple dimensions! But they better hurry, because their enemies are already on the march, and things are not looking good for Mutant Town while most of our heroes are away. Desperate measures, false flag attacks, mysterious new villains, and unexpected alliances...