Batman/Teenage Mutant Ninja Turtles III (2019-) #5

Batman and the Teenage Mutant Ninja Turtles think they've figured out how to tear apart Krang's Combined Multiverse and restore their reality. But Krang has planned this moment for years. With his robot army, he's ready to destroy them all. And if Batman can't remember the last missing piece in his life, there may be no hope left!