 Luthor s latest plan for defeating the Superfriends involves the time conveyor and returning to the past and interfering with the origins of three of the Superfriends. Cheetah travels to Paradise Island and beats Diana and Wonder Woman ceases to exist. Luthor intrudes on Hal Jordan s meeting with the space protector thus Green Lantern disappears. Finally the Legion prevents Kal El s rocket ship from landing on Earth and Superman is forgotten. With the Justice League crippled by the loss of their three strongest members the Legion attacks.