 It s been two years since the Hulk has surfaced, and Dr David Bruce Banner is on the verge of curing himself of the Hulk. A device he helped create, the Gamma Transponder, will rid him of his own Gamma radiation, among other uses. Enter Don Blake, a former colleague of Banner s, who is now in possession of a mystic hammer which can summon Thor, an ancient Viking warrior. When the Gamma Transponder is nearly stolen and Banner s girlfriend is kidnapped, Banner must abandon the hope of being cured and rely on the Hulk and Thor to save the day.