At the dawn of the new heroic age, five heroes worked together on a case and decided to continue working as a team. Calling themselves the Justice League of America, in homage to the Justice Society of yesteryear, Aquaman, Black Canary, the Flash, Green Lantern (Hal Jordan) and the Martian Manhunter soon became friends and the darlings of the media. Defeating numerous attempts at world domination, sometimes with the help of their 'mascot' Snapper Carr, the League soon gained new members in the Atom and Green Arrow. When the Justice Society came out of retirement, partly because they were worried about the League, Society members Hawkman and Hawkgirl joined the Justice League as liaisons between the teams.
Over the years, the membership of the League expanded to include Batman, Firestorm, Red Tornado, Zatanna and 'the world famous Elongated Man' until it became unwieldy. Current League chairman Aquaman cut the League down to only those members prepared to make a full-time commitment to the group, moving headquarters from a satellite to Detroit. Aquaman, Elongated Man, Martian Manhunter and Zatanna took four newer heroes under their wings in this period: Gypsy, Steel, Vibe and Vixen. Shortly afterwards, the League came under attack from Professor Ivo, who killed Steel and Vibe, leaving the team in disarray, disbanding soon afterwards.