[Machine Translation] Batman and the Turtles have cultivated a bond by traveling between each other's worlds, fighting powerful enemies, and saving the world from crises. Their battle is finally coming to a final showdown! Krang, the Turtles' arch-enemy, who is bent on dominating the multiverse, has merged the worlds of bats and turtles. Only Batman and the Turtles can defeat Krang's ambition and restore the world to its original state. But they have lost all memory of their former world...? The final battle between Batman and the Turtles begins in the face of a cosmic crisis! The most powerful crossover in the American comic world is now complete!