Ultron

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Appearances

The Avengers: Earth's Mightiest Heroes!

Guest cast, played by Tom Kane

Episode 1x18: Come the Conqueror (Jan 16, 2011)
Episode 1x19: The Kang Dynasty (Jan 23, 2011)
Episode 1x22: Ultron-5 (May 29, 2011)
Episode 1x23: The Ultron Imperative (Jun 5, 2011)
Episode 2x14: Behold...The Vision! (Jul 29, 2012)
Episode 2x16: Ultron Unlimited (Aug 19, 2012)

Guest cast, played by Wally Wingert