'Avengers: Doomsday' Trailer Brings MCU's Biggest Name Back, Confirms the Leaks Were True

Published 12/23/2025, 12:50 PM EST

The countdown has already begun. Eleven months more, and fans will witness the return of the Russo brothers to the Marvel Cinematic Universe. The comeback that instantly reignited hopes of seeing the franchise’s most iconic heroes suit up once again. A recent teaser leak has gone a step further, hinting that a legend could be back in the frame. Is it actually true? 

And when even the wildest leaks start lining up with Marvel’s carefully planted breadcrumbs, you cannot help but wonder if this time, the rumors really are marching toward the truth.

Avengers: Doomsday first look teased

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The teaser finally puts the rumors to rest. It opens on a man stepping off a familiar Triumph motorcycle, walking into a quiet house, and gently lifting a baby into his arms. And there is the great revelation. It is Steve Rogers himself. No shield, no suit,  just Steve in a moment of poignant calm. That single sequence is the confirmation fans were waiting for. The leak was right. Captain America is back, and Marvel chose to reveal him not through spectacle, but through intimacy.

Before Marvel Studios formally rolled out the first teaser for Avengers: Doomsday, multiple short clips of that teaser surfaced online. Many were recorded by moviegoers inside theaters before they were taken down via copyright strikes because of their apparent authenticity.

What makes this reveal so seismic is how unlikely it once seemed. Steve’s journey appeared complete in Avengers: Endgame (2019), when he stayed in the past to live a full life with Peggy Carter and later passed the shield to Sam Wilson. For years, Steve Rogers felt like a closed chapter. That is why the early leak sparked disbelief. 

If Steve’s return was the spark, the rest of the trailers promise to fan the flames.

Avengers: Doomsday - Thor trailer leak fuels the fire

The MCU leak train shows no sign of slowing down. After the Steve Rogers teaser made waves, a second, Thor-focused Avengers: Doomsday trailer has reportedly surfaced online. Its release was planned with Avatar: Fire and Ash. Clips shared across X, including a French-language version, were swiftly hit with copyright takedowns only adding to their credibility.

The footage brings back Chris Hemsworth’s Thor with his short-haired Ragnarok look. It is centered not on thunderous battles but on his bond with Love, the adopted daughter introduced in Thor: Love and Thunder. In one striking moment, Thor delivers a solemn prayer to Odin, asking for the strength to defeat a new enemy and make it back to his child.

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What stands out is how this fits into a larger pattern emerging from Doomsday’s early teases - children at the heart of the storm. The Fantastic Four: First Steps ended with Doctor Doom kidnapping Franklin Richards. The Steve Rogers teaser showed Cap cradling a baby, and now Thor is framed as a father fighting to protect Love. Fans are already speculating about the rise of a Next Avengers generation, even as Marvel keeps its cards close.

At the heart of all the noise and leaks, it is Steve Rogers who remains the defining reveal of Avengers: Doomsday. His is a return that turns a perfect goodbye into the start of a new chapter.

Russo Brothers Send Fans in a Frenzy, As 'Avengers: Doomsday' Hints Creep Up Before Teaser

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What do you think about this revelation about Doomsday, as shown in the recently released trailer? Let us know in the comments.

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Sarah Ansari

32 articles

Sarah Ansari is an entertainment writer at Netflix Junkie, transitioning from four years in marketing and automotive journalism to storytelling-driven pop culture coverage. With a background in English Literature and experience writing across NFL, NASCAR, and NBA verticals, she brings a research-led, narrative-focused lens to film and television. Passionate about exploring how stories are crafted and why they resonate, Sarah unwinds through sketching, swimming, motorsports—and yearly winter Harry Potter marathons.

Edited By: Hriddhi Maitra

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