Discover the top 9 Marvel movie villains who challenged our heroes.

Thanos: The Mad Titan

Thanos sought the Infinity Stones to erase half of all life.

Loki: The God of Mischief

Loki, Thor's brother, caused chaos in Asgard and Earth.

Erik Killmonger: The Usurper

Killmonger challenged T'Challa for Wakanda's throne.

Hela: Goddess of Death

Hela aimed to rule Asgard after Odin's demise.

Green Goblin: The Cunning Foe

Norman Osborn became Spider-Man's nemesis, the Green Goblin.

Ultron: Rogue AI

Ultron, an AI, sought human extinction for world peace.

Red Skull: Hydra's Leader

Red Skull led Hydra against Captain America in WWII.

Galactus: The World-Eater

Galactus, a cosmic entity, consumes planets to sustain himself. Set to appear in 'The Fantastic Four: First Steps'.

Doctor Doom: The Mastermind

Doctor Doom, a genius sorcerer, seeks world domination. Portrayed by Robert Downey Jr. in 'Avengers: Doomsday'.