The Rat King is scheming behind the scenes, and it will be up to the Shredder to find a way to stop the trickster god and his new trio of terror—Madame Null, Baxter Stockman, and LeatherKrang! Will the former master of the Foot Clan be able to locate the necessary counter-pieces to foil the Rat King''s latest deadly gambit…or will chaos rule the day in NYC and Mutant Town? One thing''s for certain: the answers won''t be found in only one dimension. Enemies become allies and exciting new characters are debuted when longtime TMNT scribe Tom Waltz returns to the pages of IDW''s ongoing canon in this official prequel to the massive TMNT event of 2022…the Armageddon Game!