The Casket of Ancient Winters

S01E20 - Airdate: 2011-05-15

* 9/10

Runtime: 30 min

The Avengers must stop Malekith the Accursed after he unleashes an everlasting winter on Earth. Once Malekith is defeated Thor learns he has been barred from returning to Asgard.

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Episode details and rating from TVmaze.