*Panic in the Sky! Only the villainous Brainiac could create a menace gigantic enough to warrant the teaming of all Earth's super-heroes! In concert with the vast Warworld, Brainiac threatened to destroy Metropolis - and Earth beyond! Still, the intergalactic criminal failed to calculate the driving power of the Man of Steel's unbridled heroism - which led Earth's forces to victory and helped spread the legend of Superman throughout the cosmos! *Source: Back of Card