A new Marvel Cinematic Universe theory might spell doom for one of two heroes, as it explains how Doctor Doom could go after them to lead the shared universe into Avengers: Secret Wars. Robert Downey Jr.’s casting as Victor von Doom and the character being positioned as the main villain of the MCU’s Multiverse Saga are two elements that make it clear that Marvel is not playing around when it comes to Doctor Doom. Like what happened with Thanos in Marvel’s Avengers movies, fans should expect to see a few heroes die fighting Doctor Doom.

Recently, Marvel announced the first actors in the cast of Avengers: Doomsday, with Kevin Feige confirming at CinemaCon that not all the stars set to appear in the film have been revealed. One character that was announced to return for the MCU’s next Avengers movie seems like the perfect target for Doctor Doom to set his sights on and bring his Battleworld plans from the comics to life. However, after a recent update about one of the MCU’s 2025 movies, there is now another hero who could end up being the one to lead to the comics’ God Emperor Doom.

How Doctor Doom Created Battleworld In Marvel Comics’ Secret Wars

The MCU Has A Perfect Way To Follow The Comics’ Story

Avengers: Secret Wars will pull from both iterations of the comic book event, as has been revealed by the directors of the next two Avengers movies, the Russo Brothers. However, with the franchise setting up incursions throughout the Multiverse Saga, it seems like the 2015 version of Marvel Comics’ Secret Wars will be the one to inspire the movie the most. That makes perfect sense, as Doctor Doom was firmly the main player of the event, just as he will be in the MCU, especially with Downey playing Victor von Doom.

One of the main events of the comic book story was Doctor Doom’s creation of Battleworld, which is a patchwork planet made up of parts of Marvel locations from different universes. Battleworld was ruled by the all-powerful God Emperor Doom, who shaped the world and its people — Marvel characters and their multiverse counterparts — the way he saw fit. To do so, Doctor Doom took the power of the Beyonders, beings from outside the multiverse who had the ability to create universes and more. The villain killed them and took their power to salvage what was left of the multiverse.

Robert Downey Jr.’s Doctor Doom Can Steal Loki Or Franklin Richards’ Powers

Both Characters Are Powerful Enough To Bring Battleworld To The MCU

Introducing Doctor Doom in the crowded movie where he will serve as the main villain is already less than ideal, as he will not get the same time to breathe that Thanos had throughout the Infinity Saga. Because of that, it is unlikely that Marvel Studios will use the Beyonders in any of the upcoming Avengers movies, which leaves the MCU with the need for someone else for Doom to steal the power he needs to create Battleworld. The most likely character to serve that role has already been confirmed to appear in Avengers: Doomsday.

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At the end of his Disney+ series, Tom Hiddleston’s Loki became the protector of the multiverse, keeping the different strands of it safe. Doctor Doom could kill Loki at the end of Avengers: Doomsday to control the multiverse and create Battleworld after incursions ravage it. While Loki is the best choice to serve in the Beyonders’ role, Marvel has revealed that Sue Storm is pregnant in The Fantastic Four: First Steps. Her son, Franklin Richards, has reality-warping powers, which Doom could take to create Battleworld as the Fantastic Four are confirmed for Avengers: Doomsday, which means Franklin should appear.

The MCU Also Has A Left-Field Option For The Character Doctor Doom Steals His Powers From

Marvel Studios Has Released A Multiverse Series

While Hayley Atwell’s Captain Carter did not get much to do in her MCU movie debut, being killed by the Scarlet Witch in Doctor Strange in the Multiverse of Madness, the actress will reportedly return in the next two Avengers movies (via THR). That opens the door for the MCU to redeem the hero in live-action, and it could do so by taking the animated version of the character seen in Disney+’s What If…? to the big screen. In the show’s series finale, Captain Carter seemingly dies after she had been imbued with the Watcher’s power.

However, the MCU has shown many times that characters thought to be ᴅᴇᴀᴅ might be alive in the end. The same could hold true for Captain Carter, and as she had the power of the Watcher when she was last seen, Robert Downey Jr.’s Doctor Doom could go after her to take it, allowing him to become God Emperor Doom and create Battleworld at the end of Avengers: Doomsday. Since the Watcher is a character who can travel the multiverse and impact its events, Doom would have the power to reshape its remnants, leading to Avengers: Secret Wars‘ story.

All Announced Upcoming MCU Movies

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  Thunderbolts*

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  May 2, 2025
  

  
  
  
  

  
  

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  The Fantastic Four: First Steps

  Release Date

  
  July 25, 2025
  

  
  
  
  

  
  

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  Avengers: Doomsday (2026)

  
  
  
  
  

  
  

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  Spider-Man: Brand New Day

  Release Date

  
  July 31, 2026
  

  
  
  
  

  
  

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  Avengers: Secret Wars

  Release Date

  
  May 7, 2027
  

  
  
  
  

  
  

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