The God of Mischief and Thor's adopted brother began as the MCU's first major villain. His redemption arc — from genocidal conqueror to selfless guardian of the Sacred Timeline — is the longest and most layered in the franchise.
Loki's evolution from genocidal antagonist to reluctant hero to selfless guardian is the longest and most deliberately constructed character arc in the franchise. His introduction as the villain of The Avengers — charming, theatrical, committed to his own superiority — set a template for MCU antagonists that the franchise has struggled to replicate. But unlike most villains, Loki was given time: across eight years and six appearances, the character was gradually revealed to be more interested in belonging than in power, and more frightened of insignificance than of defeat.
The two seasons of Loki on Disney+ resolve his arc with unusual intellectual ambition. Season 1 introduces the Time Variance Authority and the concept of the Sacred Timeline, and Season 2 forces Loki to confront a final impossible choice between personal freedom and universal responsibility. His decision in the Season 2 finale — holding together the multiverse at the cost of his own existence — retroactively recontextualises every manipulative, self-serving act in his history as the behaviour of a character who never believed he was worth saving. Watch every Loki appearance in order to feel the full weight of that ending.
Thor
Thor's origin and Loki's discovery that he's adopted. Their rivalry defines a decade of MCU storytelling — Loki's journey from villain here ends at his sacrifice in Loki S2. Thor confirmed for Doomsday.
1h 55m
The Avengers
The original team assembles to stop Loki and the Tesseract. The template all future team-up films follow. Mid-credits: Thanos is revealed for the first time.
2h 23m
Thor: The Dark World
The Reality Stone (Aether) is introduced and recovered. Loki fakes his death and secretly takes Odin's throne — directly setting up Ragnarok.
1h 52m
Thor: Ragnarok
Hela destroys Mjolnir and Asgard itself. Thor loses his eye. 'Asgard is not a place — it's a people.' The Asgardian refugees on their escape ship are who Thanos ambushes in the opening of Infinity War. Thor confirmed for Doomsday.
2h 10m
Avengers: Infinity War
Thanos collects all six Infinity Stones and snaps away half of all life. Doctor Strange gives the Time Stone intentionally — 'We're in the endgame now.' This is the pivot everything before leads to and everything after responds to.
2h 29m
Avengers: Endgame
Five years after the snap, the surviving Avengers execute a time heist to undo it. Tony snaps Thanos away and dies. Steve stays in the past with Peggy — passing the shield to Sam. The MCU's defining film.
3h 2m
Loki (Season 1)
The TVA exists to maintain a single Sacred Timeline. He Who Remains (a Kang variant) is behind it all. Sylvie kills him — releasing every Kang variant into the multiverse. This act makes Doomsday possible.
5h
Loki (Season 2)
Loki sacrifices himself — becoming the new Yggdrasil (World Tree), holding all branching timelines together with his own power. His sacrifice is the reason the multiverse is stable enough for Doomsday to happen at all.
5hLoki appears in 8 titles — 6 movies and 2 TV series — totalling 23.9 hours: Thor, The Avengers, Thor: The Dark World, Thor: Ragnarok, Avengers: Infinity War, Avengers: Endgame, Loki (Season 1), Loki (Season 2).
Follow the story order shown above, which tracks the in-universe timeline. Start with Thor and end with Loki (Season 2) for the best narrative experience.
7 of Loki's appearances are marked essential: Thor, The Avengers, Thor: Ragnarok, Avengers: Infinity War, Avengers: Endgame, Loki (Season 1), Loki (Season 2).
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Mark every appearance as watched, plan your marathon, and know exactly when you'll be ready for Doomsday.
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