When villains start to mysteriously escape Arkham, Batman seeks to track them down. What happens when he discovers that they have left Gotham completely... and entered the TMNT's New York City?

Gotham City's worst criminals—the Joker and Harley Quinn—are in New York City. While there, they meet another super-villain: Shredder, archenemy of the Teenage Mutant Ninja Turtles! Will Batman and the Ninja Turtles team up to take on these big-time baddies together? BATMAN and the TEENAGE MUTANT NINJA TURTLES collide in this one-of-a-kind comic series. Along with action-packed art, these fast-paced stories are sure to be a WHAM! BAM! SMASH! hit.