The Avengers: Earth's Mightiest Heroes Season 1 Episode 23 The Ultron Imperative 2010
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Despite Thor going missing and Captain America ending up in the hospital, the Avengers must stop Ultron from eliminating the world's most flawed creatures-humanity.
Released: 2011-06-05
Runtime: 22 minutes
Genre: Action & Adventure, Animation, Sci-Fi & Fantasy, Family