Shocking MCU theory explains why Doctor Strange will join Doctor Doom in Avengers: Doomsday

ahsan65@gmail.comNovember 2, 2025

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Shocking MCU theory explains why Doctor Strange will join Doctor Doom in Avengers: Doomsday

Doctor Strange might be the one to know the answer to how Iron Man and Doctor Doom might be connected. Avengers: Apocalypsethanks to a Marvel Cinematic Universe theory. Since Robert Downey Jr. was announced for Avengers: ApocalypseWithin the Marvel cast, several theories and rumors linking its two Marvel characters have emerged. This was of course to be expected.

After all, Marvel couldn’t just bring back the greatest actor in MCU history and expect fans to not try to explain his return to the franchise as Doctor Doom through a multiversal twist that connects the villain to Iron Man. While other actors might play two characters in the same franchise, as has happened in the MCU, Downey is too recognizable.

Thus, many theories have attempted to explain the connection between Tony Stark and Victor von Doom. However, since the MCU has yet to reveal any concrete details about Avengers: Apocalypsehistory, we are still left with many unanswered questions. Now, a new MCU theory attempts to explain the MCU connection of Iron Man and Doctor Doom, and Doctor Strange enters the mix.

Doctor Strange is one of the MCU heroes with the most multiversal knowledge

When it comes to the MCU as a whole, Tom Hiddleston’s Loki has more multiversal knowledge than Benedict Cumberbatch’s Doctor Strange. This is clear, as Loki has traveled across different realities and timelines, now serving as the protector of the multiverse. However, When it comes to movies, Doctor Strange takes the top spot.

Not only did it introduce multiverse characters into the MCU by Spider-Man: No Way Homebut Stephen Strange has explored many universes in Doctor Strange in the Multiverse of Madness. The Marvel hero discovered the secret of dreamwalking, how Doctor Strange was a threat to the multiverse and what are the incursions, crucial for the next Avengers films,.

MCU Theory – Doctor Strange Knew Doctor Doom in Avengers: Endgame

Doctor Strange beckons Tony Stark in Avengers Endgame

According to an MCU theory shared on Reddit by user MarioManRandySavage, The MCU’s Secret Wars are an Ouroboros, meaning they’re destined to repeat themselves. When Doctor Strange considered all the possible outcomes of the Avengers’ fight with Thanos, he would have seen Downey as Doctor Doom, leading to the destruction of the multiverse.

Believing the two to be one and the same, Strange paved the way for Iron Man’s sacrifice, believing that Doctor Doom would never see the light of day. However, they are different people, with Strange joining Doom on his quest when they meet. If Secret Wars is an Ouroboros, Doom must win so the multiverse can possibly be reset. This time, not with Kang winning.

Will Doctor Doom and Iron Man be connected in the MCU?

Marvel's Doctor is menacing — Marvel’s Doctor is menacing

While it was announced that RDJ would play Victor von Doom in Avengers: Apocalypsehe just has to be connected to Iron Man in some way. With the multiverse introducing the concept of variantsDowney’s return to the MCU could easily be explained by this concept.

Additionally, the Russo brothers stated The times that they couldn’t talk about Iron Man’s death because it’s “part of the story” from the MCU’s next Avengers film. As such, the characters must be connected in some way. If Doctor Strange knew about Doctor Doom and it influenced Stark’s death, as MCU The theory goes that this is related to the Russos’ comment.