Watch The Avengers: Earth's Mightiest Heroes (2010) Season 1 Episode 21 on 123Movies 1x21
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The Avengers: Earth's Mightiest Heroes (2010) - Season 1 - Episodio 21
After 74 villains break out of prison, Marvel's most powerful superheroes team up to capture all of them, and also to defend the Earth from widespread threats.
