The Avengers: Earth's Mightiest Heroes S1E20
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The Avengers: Earth's Mightiest Heroes
S01E20 — The Casket of Ancient Winters
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The Avengers: Earth's Mightiest Heroes

S01E20 The Casket of Ancient Winters

2011-05-15

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

Season 1 Episodes

1
Breakout (1)
2010-10-20
 2
Breakout (2)
2010-10-20
 3
Iron Man Is Born
2010-10-24
 4
Thor the Mighty
2010-10-24
 5
Hulk Versus the World
2010-10-24
 6
Meet Captain America
2010-10-24
 7
The Man in the Ant Hill
2010-10-24
 8
Some Assembly Required
2010-10-27
 9
Living Legend
2010-11-03
 10
Everything Is Wonderful
2010-11-10
 11
Panther's Quest
2010-11-17
 12
Gamma World (1)
2010-11-26
 13
Gamma World (2)
2010-11-26
 14
Masters of Evil
2010-12-05
 15
459
2010-12-12
 16
Widow's Sting
2010-12-19
 17
The Man Who Stole Tomorrow
2011-01-09
 18
Come the Conqueror
2011-01-16
 19
The Kang Dynasty
2011-01-23
 20
The Casket of Ancient Winters
2011-05-15
 21
Hail Hydra!
2011-05-22
 22
Ultron-5
2011-05-29
 23
The Ultron Imperative
2011-06-05
 24
This Hostage Earth
2011-06-12
 25
The Fall of Asgard
2011-06-19
 26
A Day Unlike Any Other
2011-06-26