The Avengers try to stop A.I.M. from stealing high-tech weapons from the future ever since it was discovered that they upgraded the gear of Whiplash and Spymaster. Their fight with A.I.M. attracts the attention of the 30th-century warlord Kang the Conqueror since it was his technology that A.I.M. used as he takes control of the A.I.M. Agents present.