Green Arrow assists Batman in defeating the remaining space pirates, but during a chase, a wormhole is created and it sends Batman to the distant planet Zur-En-Arrh in the city of Gothtropolis. There he meets his doppelganger, the Batman of Zur-En-Arrh, but more surprisingly, on this planet the Caped Crusader has familiar super powers. Together, they battle the mad genius Rohtul who soon learns Batman's super weakness.