The Multiverse is Fracturing: A Deep Dive into the Post-Credit Scenes Setting Up Avengers: Doomsday
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The countdown to the Russo Brothers' Multiversal Epic, Avengers: Doomsday, has officially begun, and Marvel Studios is strategically turning the spotlight back onto key moments from their 2025 film slate.
Highlighting three specific post-credits scenes across their social media platforms is a deliberate move to prime audiences for the catastrophic scale of their upcoming event film, placing the foundational narrative clues front and center.
The collective weight of these moments suggests a collision of worlds is imminent, catalyzed by a powerful new foe. This analysis breaks down the importance of these newly highlighted stingers and what they reveal about the plot of Avengers: Doomsday.
What Post-Credits Scenes Are Marvel Studios Highlighting for Avengers: Doomsday?
Marvel Studios has focused their recent promotional efforts on the post-credits scenes from the three theatrically released films of 2025: Captain America: Brave New World, Thunderbolts*, and The Fantastic Four: First Steps. This trio of teasers is crucial because they serve as the immediate narrative bridges into the multiversal conflict that defines Avengers: Doomsday.
Film | Post-Credits Scene Focus | Significance to Avengers: Doomsday Plot | Key Verifiable Information |
Captain America: Brave New World | Samuel Sterns (The Leader) warning Captain America (Sam Wilson) about "The Others" and a "coming catastrophe" at the Raft. | Establishes the looming threat: Provides the MCU's current main hero, Sam Wilson, with initial awareness of a multiversal danger (the "Others") and the scale of the impending crisis. Rumors suggest The Raft may play a role in Doctor Doom's endgame. | The Leader's dialogue explicitly mentions a threat beyond a single world. Reports suggest this scene sets up Sam's urgency in assembling the Earth-616 Avengers. |
Thunderbolts* | The New Avengers (formerly the Thunderbolts) witnessing the Fantastic Four’s ship arriving on Earth-616 in the former Avengers Tower. | Confirms an Incursion trigger and new heroes: The scene, reportedly directed by the Russo Brothers themselves, directly leads to the Fantastic Four’s arrival on Earth-616, an event long rumored to be a precursor to a major Incursion. It also officially debuts the new, defense-focused Avengers-adjacent team. | Director Jake Schreier confirmed the Russo Brothers shot the scene. The team's monitor displays "space anomalies," likely referring to the beginnings of multiversal incursions. |
The Fantastic Four: First Steps | The first appearance of Doctor Doom, removing his mask to speak with Sue Storm’s son, Franklin Richards, in the Baxter Building. | Introduces the Primary Antagonist and his Target: This is the most critical scene, formally introducing Robert Downey Jr.'s Doctor Doom. His interest in Franklin Richards, a character with immense reality-warping powers in the comics, hints at Doom's plan to harness multiversal power to reshape reality, likely to create Battleworld, the setting for Secret Wars. | Robert Downey Jr. was officially announced as Doctor Doom at SDCC 2024. Reports indicate Doom may be a sympathetic figure whose world was destroyed by an Incursion, fueling his complex villainous motivation. |
How Do These Three Scenes Set Up the Central Conflict of Avengers: Doomsday?
The three highlighted scenes create a cohesive and complex foundation for the Avengers: Doomsday storyline. Collectively, they confirm three crucial plot elements.
First, the scenes confirm the stakes are multiversal and catastrophic. The Leader’s cryptic warning in Captain America: Brave New World signals an inevitable confrontation with forces "from the others," directly linking the film’s plot to the multiversal war brewing across realities.
Second, the scenes confirm the arrival of key players. Thunderbolts* provides the spectacular visual of the Fantastic Four's entrance onto the primary MCU Earth (Earth-616).
Given their connection to Doctor Doom in the comics and the nature of incursions, their presence is not a friendly visit, but a symptom of the impending "cascading crisis" mentioned in early plot synopses.
Third, and most importantly, the scenes confirm Doctor Doom (Robert Downey Jr.) is the main antagonist, as established in The Fantastic Four: First Steps.
Doom’s targeting of young Franklin Richards is the biggest reveal, suggesting he is seeking a reality-shaping power source for his ultimate goal: to stop the Multiverse from collapsing, possibly by becoming its ruler.
The consensus from verifiable reports is that Doom views himself as the hero, aiming to prevent incursions after his own reality was destroyed. This nuanced villainy, contrasting with Thanos's straightforward genocidal intent, makes him an unprecedented threat for the Avengers to face.
Will the Russo Brothers' Film Reintroduce the X-Men Alongside the Fantastic Four?
While the Fantastic Four's arrival is tied to the Thunderbolts* post-credits scene, the broader multiversal setup in earlier films also plays a critical role.
The post-credits scene from The Marvels, which saw Monica Rambeau transported to an alternate universe and greeted by Kelsey Grammer’s Beast (and a variant of her mother, Maria Rambeau/Binary), is widely rumored to be the source of the X-Men characters now confirmed for Avengers: Doomsday.
This suggests two major incursions are threatening Earth-616: one tied to the Fantastic Four and the emergence of Doom, and another tied to the mutant-centric universe where Monica is stranded.
Reports indicate that the plot of the Russo Brothers' epic will feature the Avengers fighting the X-Men, who believe the Avengers are responsible for the inter-dimensional collisions destroying their world, leading to an Avengers vs. X-Men scenario that Doom will manipulate for his own ends.
Some Closing Thoughts
Marvel Studios is not easing into the marketing for Avengers: Doomsday; they are dropping breadcrumbs that lead directly to the heart of the Multiverse Saga.
By spotlighting the immediate narrative consequences of their 2025 films, they underscore that the age of subtle setup is over.
The incursions are happening, the Fantastic Four have arrived, and Doctor Doom is not just a threat, but a highly intelligent, sympathetic, and supremely powerful foe with a clear target.
The final pieces are on the board, and the game is about to begin.
So, are you ready for Doomsday? Let us know in the comments section down below!
