The Justice Society members are visiting the Justice League briefly, following their battle against the Psycho-Pirate (in All-Star Comics #68), when a gigantic magical hand plucks five members from each team out of the satellite, and into the year 2977, where they become pawns of Mordru the Magician, arch-foe of the Legion of Super-Heroes. Mordru has recently captured five Legionnaires, he holds hostage until their comrades have secured for him the three mystic artifacts necessary to free the ancient demons, Abnegazar, Rath, and Ghast. The Legionnaires having failed to return from their missions, the sorcerer now enlists the JLA and JSA heroes to do his bidding, while adding Green Arrow and Black Canary to his group of hostages. Superman, Dr. Fate, and Hawkman of Earth-2A rescue Sun Boy an