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!