7 Shocking Secrets Revealed In The Fantastic Four Post-Credit Scene Leaks (Doctor Doom's MCU Debut)

The anticipation for Marvel Studios' The Fantastic Four: First Steps (scheduled for release in July 2025) has reached a fever pitch, and as of today, December 17, 2025, the most explosive details are no longer about the main plot but the crucial moments that follow the credits. Like all major Marvel Cinematic Universe (MCU) entries, the film features not one, but two game-changing post-credit stingers, and the information reportedly leaked from early screenings and test audiences is already sending shockwaves through the fandom. These scenes don't just set up a sequel; they introduce a legendary villain and confirm a massive time jump that will redefine the MCU's Phase 6.

The core intention of the post-credit scenes is to firmly establish the Fantastic Four—Reed Richards (Mister Fantastic), Sue Storm (Invisible Woman), Johnny Storm (Human Torch), and Ben Grimm (The Thing)—within the wider multiverse, while also laying the groundwork for the arrival of their most formidable nemesis. If the leaks are accurate, the MCU debut of the First Family is poised to deliver one of the most impactful and conversation-starting final sequences in Marvel history.

The Fantastic Four: First Steps — Core Team and Key Entities

Before diving into the seismic events of the post-credit scenes, it’s essential to understand the key players and their context within the MCU’s Multiverse Saga. The film reportedly introduces the team from an alternate Earth, designated Earth-828, a strategic move that allows Marvel to avoid an origin story and jump straight into their established roles as New York City’s premier protectors.

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• Reed Richards (Mister Fantastic): The brilliant scientist and leader of the team. His stretching abilities are a staple of his character.
• Sue Storm (Invisible Woman): Reed’s wife and the heart of the team, possessing the power of invisibility and force-field projection.
• Johnny Storm (Human Torch): Sue’s hot-headed younger brother, with the ability to engulf his body in flames and fly.
• Ben Grimm (The Thing): Reed’s best friend, transformed into a rock-skinned powerhouse. His internal struggle is a major emotional arc.
• Galactus: The film's main antagonist, the cosmic entity known as the Devourer of Worlds. His presence immediately raises the stakes to a cosmic level.
• Franklin Richards: Reed and Sue’s son, who becomes a central figure in the mid-credits scene.
• Victor Von Doom (Doctor Doom): The ruler of Latveria and the team’s archenemy, whose appearance is the focus of the final stinger.

Mid-Credits Scene Explained: A Major Time Jump and Franklin Richards' Future

The first stinger, which appears midway through the end credits, is designed to provide closure to the main conflict while simultaneously introducing a critical new element to the team's dynamic: a significant passage of time.

1. The Four-Year Jump and Domesticity

The scene reportedly takes place four years after the Fantastic Four’s climactic showdown with Galactus. This is a massive leap forward for the MCU’s timeline, suggesting that while the world was saved, the team settled into a routine of protecting their corner of the Multiverse. The setting is the Baxter Building, the team's iconic headquarters, which has been restored and upgraded following the battle.

The focus is on Sue Storm, who is seen in a moment of domestic bliss. She is sitting on a couch, reading a story to her and Reed’s son, Franklin Richards. The significance of the four-year jump is immediately apparent: Franklin is no longer an infant but is now walking and talking, a clear sign of their established life. This scene grounds the cosmic heroes in their family dynamic, which is the true core of the Fantastic Four mythos.

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2. The Hint at Franklin's Omega-Level Powers

While the scene is peaceful, there are subtle hints at the terrifying potential of Franklin Richards. In the comics, Franklin is one of the most powerful mutants in the Marvel universe, an Omega-level being with reality-warping abilities. The mid-credits scene reportedly features a small, unexplained anomaly—a toy floating for a second, or a subtle ripple in the air—that Sue dismisses with a knowing, yet slightly worried, glance. This is the MCU's way of planting the seed for Franklin's future role, potentially as a nexus point for the Multiverse Saga or a key player in the eventual introduction of the X-Men.

The Post-Credits Scene: Doctor Doom's Terrifying MCU Entrance

The final post-credits stinger is the one that has generated the most buzz and controversy, as it finally pulls back the curtain on the MCU’s long-awaited version of Doctor Doom (Victor Von Doom), the tyrannical ruler of the nation of Latveria.

3. The Iconic Reveal of Victor Von Doom

Unlike the main film, where Doom is entirely absent or only mentioned in passing, the final scene is dedicated entirely to his ominous debut. Reports indicate that the scene is brief but visually stunning, taking place in a gothic, technologically advanced setting—presumably Doom's castle in Latveria.

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The camera focuses on a figure from behind, immediately recognizable by his signature green cloak and hood. He is holding the metallic, menacing mask of Doctor Doom in his hands. He is reportedly seen talking, though his dialogue is cryptic, perhaps referencing the Fantastic Four's recent victory over Galactus or their arrival in the MCU's prime reality.

4. The Controversial Casting Rumor

The most shocking element tied to this scene is the persistent, though unconfirmed, rumor that the actor playing Victor Von Doom is none other than Robert Downey Jr. While Downey Jr. is synonymous with Iron Man, this rumor suggests a stunning return to the MCU in a completely different, villainous role, possibly as a variant of Doom from a different universe who has already encountered the Fantastic Four of Earth-828. This potential casting choice would instantly elevate Doom to the status of a major, franchise-defining villain.

5. The Connection to Baby Franklin

A highly specific leak suggests the scene is even more sinister: Doctor Doom is not talking to an unseen figure, but to baby Franklin Richards. While the mid-credits scene showed a four-year-old Franklin, this final stinger may be a flash-forward or an alternate reality glimpse. Doom's dialogue is speculated to be a chilling monologue about destiny and power, directly addressing the child who will one day become his greatest threat, or perhaps even a pawn in his multiversal machinations.

The Scrapped Scene and Future MCU Connections

Beyond the two confirmed stingers, information has surfaced about a third scene that was reportedly filmed and then cut, which would have provided a direct, nostalgic link to a previous Marvel star.

6. The Chris Evans "Nomad" Warning

According to reliable industry scoopers, an early version of the post-credits sequence featured Chris Evans, known for playing Captain America and the Human Torch in previous films, returning in a completely new role: Nomad. Nomad is an alternate identity Captain America has taken in the comics. In the scrapped scene, Evans’ Nomad would have been a variant from another universe, arriving to warn the Earth-828 Fantastic Four about a looming threat in the MCU's main timeline, possibly related to Kang the Conqueror or the setup for *Avengers: Secret Wars*.

This scene was reportedly replaced to keep the focus squarely on Doctor Doom, ensuring that the villain's introduction was the sole major cliffhanger heading into the next phase of the Multiverse Saga. The decision highlights Marvel's commitment to making Doom the primary antagonist for the Fantastic Four’s future.

7. Setting Up Thunderbolts* and the Multiverse War

The arrival of Doctor Doom via the post-credits scene is not an isolated event. It is the direct setup for the next major conflict. Doom's rumored connection to the multiversal events suggests he could be a key player in the upcoming *Avengers: The Kang Dynasty* or *Avengers: Secret Wars*. Furthermore, the subtle hints at the team’s multiversal nature (Earth-828) link them directly to the events of *Thunderbolts\**, which also deals with fallout from alternate realities and major power players attempting to fill the void left by Kang.

The *Fantastic Four* post-credit scenes, if the leaks hold true, are a masterclass in sequel setup, balancing a heartwarming family moment with the terrifying reveal of the MCU's next great villain, ensuring that every audience member stays glued to their seat until the very last frame.