Sorcerer Felix Faust threatens to keep Wonder Woman's home population transformed into stone if she does not gather artifacts for him. He uses the artifacts to release Hades from Tartarus. The League succeeds in banishing Hades and his minions, but the victory is bittersweet as Diana is exiled from Themyscira for allowing the men of the Justice League to help.

Superman and Martian Manhunter are abducted by extraterrestrial slave traders and are sold to a planet of the despotic ruler Mongul where the population spends its time watching aliens in mortal combat in an enormous colosseum. Green Lantern and Hawkgirl set out to rescue them.