Published Jul 5, 2026, 9:00 PM EDT
Shawn S. Lealos is an entertainment writer who is a voting member of the Oklahoma Film Critics Circle. He has written for Screen Rant, CBR, ComicBook, The Direct, The Sportster, Chud, 411mania, Renegade Cinema, Yahoo Movies, and many more.
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Doctor Doom is coming to the Marvel Cinematic Universe, and he will be the big bad that sends Avengers: Doomsday into the world in Avengers: Secret Wars. More than once, Doom has become the most powerful villain in comics, including the 2015 Secret Wars series and the more recent "One World Under Doom" crossover event. Now, when the next major MCU crossover arrives, he will take that role in the movie world.
The entire idea is that the incursions are coming to destroy Earth, and if it plays out like the comics, Doctor Doom has been searching for a way to save the planet. However, to do so, he has the chance to turn himself into a god, which he did in the comics. He was then the most powerful being on that specific Earth, but that never made him the most powerful in comics. That will also almost surely be the case in the movies.
When looking back on Marvel movies, there have been some powerful villains, and there are several who are actually more powerful than Doctor Doom, even with his apparent power-up coming in time for Avengers: Secret Wars. This includes cosmic beings, demonic presences, and even some time travelers from the future. Doctor Doom is powerful, but these characters all beat him out in overall power levels.
7 Galactus (The Fantastic Four: First Steps)
Galactus made his debut in The Fantastic Four: First Steps. This is the MCU movie that brought Marvel's First Family to the universe, and the first villain they had to defend their Earth against was the Devourer of Worlds, Galactus. This being was so powerful that the Fantastic Four couldn't beat him, and they could only manage to banish him with the help of his own herald, the Silver Surfer.
Galactus possesses the Power Cosmic, which gives him energy projection and absorption, matter transmutation, size alteration, teleportation of galaxies, telepathy, and universe-scale cosmic awareness. In the comics, he has destroyed countless worlds while also giving only a portion of his power to others, making them more powerful than most heroes and villains.
In The Fantastic Four: First Steps, he can sense Franklin Richards' true power before the child is even born, and Galactus feels no one in the universe is more equipped to replace him than Franklin. Considering how powerful Franklin is, this speaks volumes. In the original "Secret Wars," Doctor Doom had to steal the warship tech from Galactus, knowing he needed a cosmic being's weapons to even attempt his goals.
6 Dormammu (Doctor Strange)
Much like the Fantastic Four and Galactus, when Doctor Strange fought Dormammu, he realized he had no way to actually defeat him, and he could only banish him. This is also true for the comic books, as Strange has only worked to keep Dormammu in the Dark Dimension and keep him away from Earth and this universe. In the MCU, Dormammu was the cosmic being Kaecilius was trying to lure here, and he lent some power to the villain, which made him almost unstoppable.
In the comics, Dormammu is an interdimensional entity who rules the Dark Dimension, a realm that warps to form his face and body and that he controls absolutely. He has the power to consume entire dimensions, seeking to absorb all universes into his own. When he is in the Dark Dimension, he is omnipotent, and no one else can touch him in pure power. When outside the Dark Dimension, he is still a terrifying opponent.
Doctor Strange only beat him by trapping him in an infinite time loop with the Eye of Agamotto using the Time Stone, dying over and over until Dormammu bargained. While Doctor Doom possesses magical powers, he is not on Strange's level, and if Strange can't beat Dormammu, Doom would have no chance. However, Doom is smart, and he has shown he will bargain with dimensional demons rather than fight them.
5 Kang The Conqueror (Ant-Man And The Wasp: Quantumania / Loki)
The biggest disappointment in Avengers: Doomsday is that the MCU had to cancel the plans to have the Council of Kangs as the overarching villain in this phase. Doctor Doom will prove to be a better villain overall, but that is only because Marvel dropped the ball with Kang his second time out. Kang debuted in the brilliant Loki Disney+ series, which ended with Sylvie killing him at the end of the first season.
Ant-Man and the Wasp: Quantumania brought back a new variant of Kang, having them fight and actually beat him in the Quantum Realm. With two Kangs dead, it didn't really matter how many versions showed up, even if it was Immortus or Rama-Tut, because they wouldn't be taken seriously. That is tragic because Kang is one of Marvel's most powerful and impactful villains, a time traveler who wants nothing more than to conquer.
It was Jonathan Majors' off-screen trials and turmoil that doomed Kang, but there is a good chance that, if done like he was in the comics, Kang could have been even deadlier than Doctor Doom. As He Who Remains, he single-handedly ended a Multiversal War, created the Sacred Timeline, and ran the TVA from the Citadel at the End of Time. Doctor Doom fights in one timeline, but Kang can attack from anywhere, and there are infinite versions of him.
4 Knull (Venom: The Last Dance)
Knull has never been in the MCU, but he did exist in the Sony wing of the Marvel Universe, and while Spider-Man exists in both, that means he is at least MCU-adjacent. Knull debuted in Venom: The Last Dance, and he is a primordial god of darkness who existed before the universe's current iteration, born before light entered the cosmos. He is the being who created all symbiotes, and he rules them as the King in Black via a hivemind.
Without Knull, there would be no Venom, Carnage, Riot, or any other symbiote that has shown up in the Sony Marvel movies. He forged All-Black the Necrosword, the first symbiote, and used it to decapitate a Celestial, proving he can kill gods. This was a similar weapon that Gorr used in Thor: Love And Thunder, and in the comics, it was the All-Black. Knull connects to a lot in the MCU, although he has never shown up there.
That said, his powers dwarf anything Doctor Doom has accomplished. They include immense strength and durability, flight, shapeshifting, and cosmic awareness. He also commands an army of symbiote dragons. In the "King in Black" comic event, it took Venom, the Avengers, the Fantastic Four, and the X-Men combined to defeat him. Knull is a creator-god who predates the universe and who killed Celestials. Doom is still human.
3 Hela (Thor: Ragnarok)
Hela was the main villain in Thor: Ragnarok, someone who slaughters several of the most powerful Asgardians and who overpowers Thor, Loki, and Hulk before they finally summon Surtur to destroy Asgard and Hela. In the MCU, she is Odin's daughter (in the comics, she is Loki's daughter), and she was Odin's firstborn and rightful heir, imprisoned for millennia until his death freed her. Odin is more powerful than Doctor Doom, and Hela in the MCU would be too.
As Odin's firstborn, her power is far superior to almost every Asgardian, including Thor at full strength. She proves her strength when she catches Mjolnir in midair and then crushes it into pieces. She can also materialize infinite bladed necroswords from her body and draw power directly from Asgard itself.
Among her feats was killing all three members of the Warriors Three, and the only way to stop her was to bring Surtur to Asgard to fulfill Ragnarok. In the movies, she is shown to be the most powerful enemy Thor ever faced, and her magic and power as a death-goddess dwarfs any magic that Doctor Doom possesses.
2 Mephisto (Ironheart)
Mephisto is the Marvel Universe's version of the Devil, and his entire existence in comics has seen him making bargains and deals that often help humans rise to great levels of power, but at the cost of their souls. While his main power is making these deals, he is still an overpowered ancient extradimensional demon who rules a part of the netherworld, lording over demons and condemned souls.
He debuted in the Ghost Rider movies originally and then made his MCU debut in Ironheart on Disney+, played by Sacha Baron Cohen. He was responsible for giving the Hood his powers, via the cloak, and he told Ironheart that he was responsible for almost every successful human on Earth who ranked as the wealthiest alive.
As a Hell-Lord, his main weapon is manipulation, as he trades in souls through Faustian deals. He even convinces Riri Williams to accept a deal, showing that not even a pure hero is above his manipulations. Doctor Doom's magic comes from bargaining with demons like Mephisto, who sits above him on the mystical food chain. Doom can't kill him, and Mephisto will eventually own his soul.
1 The Beyonder (Moon Girl And Devil Dinosaur)
The Beyonder is a villain who was the architect of the first Secret Wars miniseries for Marvel. In that series, Doctor Doom stole his powers to become all-powerful, and Beyonder only stole the powers back. The only way that Doom could create Battleworld in the 2015 "Secret Wars" event was by having the Molecule Man help him destroy the race of the Beyonders to steal their powers.
Doctor Doom couldn't do it alone, and it was Molecule Man who accomplished the feat. The appearance of Beyonder in the MCU is different from any other villain on this list. He debuts in the Disney+ animated series Moon Girl and Devil Dinosaur, and while he is a trickster as he is in the comics, he eventually becomes an ally and friend of Moon Girl.
This was a comedic version of the character, but he had all the Beyonder's powers, which are limitless. In the comics, the Beyonder is nigh-omnipotent, a being from beyond the multiverse who treats the entire cosmos as his toy. Everything Doctor Doom achieved at his peak was borrowed from Beyonder's power. Doctor Doom is always the thief and never an actual god.
Release Date December 18, 2026
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Vanessa Kirby
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Johnny Storm / Human Torch
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Ebon Moss-Bachrach
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English (US) ·