Loki's MCU redemption peaks: Why Doomsday trailer has fans revisiting Marvel's best villain-to-hero arc

A single glimpse of Tom Hiddleston's God of Mischief in the new Avengers: Doomsday trailer has sent Disney Plus numbers soaring — and it's no surprise, as Loki's journey from scheming villain to multiverse guardian is the MCU's most rewarding arc.

If you’re scrambling to get caught up on the MCU before Avengers: Doomsday, the first trailer has already pointed you in the right direction. Loki has shot up the Disney Plus streaming charts following Monday’s trailer release, and for good reason: Tom Hiddleston’s God of Mischief only appears for a moment, but his two-season series is the most essential viewing for the multiverse saga — and it tells the MCU’s best redemption story.

The trailer, which debuted Monday, shows a brief glimpse of Loki in his TVA uniform alongside Mobius (Owen Wilson). That’s enough to remind viewers that the character who once tried to conquer Earth with a Chitauri army is now guarding the very fabric of reality. Loki season 1 and 2 are currently seeing a surge in streams as fans rush to understand how the trickster god became the multiverse’s unlikely hero.

Loki and Mobius in the TVA

A redemption arc that rivals the best

Few narrative arcs are more satisfying than watching a former villain gradually become one of the story’s most important heroes. Zuko in Aang: The Last Airbender and Vegeta in Dragon Ball Z are the defining examples. Both begin as exiled princes relentlessly pursuing the heroes, only to become indispensable allies. Loki’s journey belongs in that conversation.

Loki starts out in Thor as a jealous prince who discovers he is secretly a Frost Giant, leading to a crisis of identity that turns him into a full-blown supervillain in The Avengers. He “dies” multiple times, only to hatch another scheme. Thor: The Dark World and Thor: Ragnarok explored the brotherly bond between Loki and Thor, before Thanos killed him at the start of Avengers: Infinity War. But the heroes meddling with the timeline during Avengers: Endgame allowed a different version of Loki to escape with the Tesseract — a version from the peak of his villainy.

That divergent timeline attracts the attention of the Time Variance Authority, a bureaucratic organization that exists outside of time and space. Captured and brought up to speed on everything his original counterpart experienced — including his mother’s death, his reconciliation with Thor, and his death at the hands of Thanos — this “time-variant” has to reckon with a life he never lived.

Loki in the TVA

From villain to multiversal hero

What follows is a sort of buddy-cop crime thriller, with Hiddleston starring opposite Owen Wilson’s charming Agent Mobius. Despite the silly premise — a bureaucratic AI-powered agency policing time — Hiddleston delivers a remarkably complex performance. He’s not instantly redeemed, but forced to confront his mistakes. The show gives him space to explore gravitas and pathos, including one of the most endearing romances in the MCU.

Season 1 kicks off a new story arc originally supposed to culminate in a confrontation with Kang the Conqueror. But after Ant-Man and the Wasp: Quantumania followed that thread, Marvel shifted plans toward Doctor Doom (Robert Downey Jr.). Season 2 explores an increasingly unstable multiverse, focusing on Loki as he becomes unstuck in time. The result is a surprisingly emotional conclusion that positions Loki as a crucial part of the multiverse itself.

In a sense, whether the looming threat is Kang or Doom hardly matters. The show’s real achievement is completing the transformation of the MCU’s nastiest Phase One villain into one of the multiverse’s greatest heroes. It has given the God of Mischief something he’s spent centuries chasing: a genuinely glorious purpose.

Why it’s essential viewing — and why it still works

Marvel’s multiverse saga has become as sprawling as A Song of Ice and Fire in its complexity, but Loki remains the emotional anchor. The show lays the groundwork for the multiverse, but its personal story is what makes it essential. Even if you’re skeptical of the MCU’s direction, Hiddleston’s performance alone is worth the watch.

That said, the premise is undeniably ridiculous. A time-travel bureaucracy with Adventure-game level logic? It works because the show commits to its absurdity and never forgets that Loki’s emotional journey is the point. The shift from Kang to Doom might make some feel the arc is less relevant, but the finale of season 2 is so powerful that it stands on its own.

What comes next

With Avengers: Doomsday on the horizon, Loki’s position as a multiversal linchpin means he will almost certainly play a key role. Whether he returns to fight alongside the heroes or remains a sacrifice, his redemption arc is complete. If you haven’t watched Loki yet, now is the time. The show is a masterclass in turning a villain into a hero, and it’s the best preparation you can get for what’s coming.

Key Numbers

3 metrics
2seasons
Number of seasons in Loki series
2times
Number of times Loki 'dies' before his final arc
2Kyear
Year Loki first appeared in the MCU

Why This Matters

Loki's redemption arc is the emotional anchor of the MCU's multiverse saga, and his series is essential viewing for understanding the stakes of 'Avengers: Doomsday'. For newcomers, this story shows how a former villain becomes a multiversal hero, making it a key piece of Marvel's ongoing narrative.

Background

Loki's MCU origin and villainy

Loki first appeared in the 2011 film 'Thor' as the jealous adopted brother of Thor, who discovers he is secretly a Frost Giant. This identity crisis turns him into a supervillain in 'The Avengers' (2012), where he attempts to conquer Earth with a Chitauri army. He later experiences multiple deaths and reconciliations with Thor across 'Thor: The Dark World' (2013) and 'Thor: Ragnarok' (2017), before being killed by Thanos at the start of 'Avengers: Infinity War' (2018).

The time-variant Loki's divergence

In 'Avengers: Endgame' (2019), the heroes' time-travel meddling allows a 2012-era version of Loki—still at the peak of his villainy—to escape with the Tesseract. This divergent timeline version is captured by the Time Variance Authority (TVA), a bureaucratic organization that polices time, and is forced to confront the life his original counterpart lived, including his mother's death, reconciliation with Thor, and death at Thanos' hands.

Shift from Kang to Doctor Doom

The 'Loki' series originally set up a confrontation with Kang the Conqueror, but after 'Ant-Man and the Wasp: Quantumania' (2023) followed that thread, Marvel shifted plans toward Doctor Doom (played by Robert Downey Jr.) as the next major threat. This change does not diminish the show's emotional impact, as its core achievement is completing Loki's transformation from villain to hero.

Timeline

6
2026
July 2026

Official trailer and ticket sales launch: Avengers: Doomsday trailer released, generating 503 million views in 24 hours; advance ticket sales begin.

2025
Mar 17, 2025

first trailer for 'Avengers: Doomsday' is released, featuring a brief glimpse of Loki in his TVA uniform, causing a surge in streams for the Loki series.

2019
2019

divergent timeline version of Loki escapes with the Tesseract during 'Avengers: Endgame', leading to his capture by the TVA.

2018
2018

Loki is killed by Thanos at the start of 'Avengers: Infinity War'.

2012
2012

Loki becomes a full-blown supervillain in 'The Avengers', attempting to conquer Earth with a Chitauri army.

2011
2011

Loki first appears in 'Thor' as a jealous prince who discovers he is a Frost Giant.

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Charlotte Hayes
About the Author Charlotte Hayes

Charlotte Hayes follows the business side of gaming, covering publishers, acquisitions, studio closures, and the people shaping the industry.