The Avengers. Led by the mighty Captain America, this fabulous band is sworn to guard the world from Evil wherever it may threaten. Alert to danger at an instant's notice, together they form a super juggernaut of brilliant brainpower, bonecrushing strength, and burning dedication. Mankind views them with awe, their enemies view them with terror. But never has this heroic crew faced so deadly and powerful a force as the Earth-Wrecker. Karzz, a monstrous creature come from outer space and the distant future to annihilate the entire planet. Protected by an impregnable shield of electro-force, armed with the most fearsome weapons a superhuman mind can devise, Karzz can play with the Avengers like insects to be killed at will. He can turn one against the other in savage battle. He can laugh at the efforts of the Avengers to thewart his design of destruction. For how can even they hope to defeat this invincible Nemesis of all mankind?