It's the crossover you never saw coming! Join Batman and the Teenage Mutant Ninja Turtles as they try to save their cities from the baddest of the bad guys! The Caped Crusader joins forces with Leonardo, Donatello, Michelangelo, Raphael and Master Splinter to take down the most vicious villains from two dimensions! This deluxe edition includes scripts, variant covers and more behind-the-scenes materials! Co-published with IDW.