Lex Luthor is rescued from prison by a new villainous organization - the Legion of Doom!

Wonder Woman learns of a plot to steal the powers of the 3,000 year-old corpse of The Viking Prince.

The League comes to the aid of Boston Brand, the ghost of a deceased circus acrobat, who needs their help in recovering the souls of members of a monastic order.

A mystic artifact causes Lex Luthor and the Flash to switch bodies.

The Justice League take on their opposite numbers in the Legion of Doom in a final battle revealing the Legion's secret sponsor and the mystery behind their ultimate plans.