The Avengers: Earth's Mightiest Heroes S1E20 backdrop
The Avengers: Earth's Mightiest Heroes poster

The Avengers: Earth's Mightiest Heroes (2010)

S1E20 The Casket of Ancient Winters

May 15, 2011 Season 1 Episode 20 Action & Adventure, Animation, Sci-Fi & Fantasy, Family

Malekith the Accursed, a dark elf, discovers an ancient Asgardian artifact that casts the Earth into a never-ending winter.

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