The raddest TMNT event of the decade kicks off here! When one of the Turtles’ closest allies is taken hostage by a mysterious adversary, the brothers are drawn into a new dimension of adventure in the Battle Nexus. This blistering five-part weekly series finds the Ninja Turtles fighting for their lives in a martial arts challenge unlike anything they’ve faced, with four deadly champions selected from across 40 years of TMNT media to destroy the Ninja Turtles! EVERY Ninja Turtle. For the first time, IDW’s Heroes in a Half-Shell meet allies from other fan-favorite TMNT universes as they fight for their lives and discover the unbelievable secrets of Battle Nexus!