The four little heroes want to use the power of their father's ancestors, who are the main avengers, to overthrow the evil creature called Ultron...
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Craig KyleWriter · (screen story)
Len WeinWriter · (character: Ororo Munroe/Storm) (uncredited)
Roy ThomasWriter · (characters: Ultron & Vision) (uncredited)
John BuscemaWriter · (characters: Ultron & Vision) (uncredited)Craig KyleProducers · supervising producer
Stan LeeProducers · co-executive producer
Eric S. RollmanProducers · executive producer
