The Avengers: Earth's Mightiest Heroes Season 1 Episode 21
Hail Hydra!
Black Widow turns to the Avengers for help when Hydra and AIM battle over control of the Cosmic Cube.
1 - 26A Day Unlike Any OtherJun. 26, 2011- 1 - 25The Fall of AsgardJun. 19, 2011
- 1 - 24This Hostage EarthJun. 12, 2011
- 1 - 23The Ultron ImperativeJun. 05, 2011
- 1 - 22Ultron-5May. 29, 2011
- 1 - 21Hail Hydra!May. 22, 2011
- 1 - 20The Casket of Ancient WintersMay. 15, 2011
- 1 - 19The Kang DynastyJan. 23, 2011
- 1 - 18Come the ConquerorJan. 16, 2011
- 1 - 17The Man Who Stole TomorrowJan. 09, 2011
- 1 - 16Widow's StingDec. 19, 2010
- 1 - 15459Dec. 12, 2010
- 1 - 14Masters of EvilDec. 05, 2010
- 1 - 13Gamma World: Part 2Nov. 26, 2010
- 1 - 12Gamma World: Part 1Nov. 26, 2010
- 1 - 11Panther's QuestNov. 17, 2010
- 1 - 10Everything Is WonderfulNov. 10, 2010
- 1 - 9Living LegendNov. 03, 2010
- 1 - 8Some Assembly RequiredOct. 27, 2010
- 1 - 7The Man in the Ant HillOct. 24, 2010
- 1 - 6Meet Captain AmericaOct. 24, 2010
- 1 - 5Hulk Versus the WorldOct. 24, 2010
- 1 - 4Thor the MightyOct. 24, 2010
- 1 - 3Iron Man Is BornOct. 24, 2010
- 1 - 2Breakout: Part 2Oct. 20, 2010
- 1 - 1Breakout: Part 1Oct. 20, 2010
