Mutants have X-genes which give them superpowers, but they aren't fully separate from normal humans. In the Days of The Future Past movie, sentinels were targeting even normal humans who had a chance of having the mutant gene passed on to their children, grandchildren, or great grandchildren. Meaning that normal humans who can reproduce with other normal humans can have X-genes in suppressed form. But, what happens when X-genes get active? Do mutants remain homo sapiens?

There are lots of possibilities:

  • They can reproduce with normal homo sapiens. Meaning they are still homo sapiens.

  • They can reproduce with each other. Meaning mutants are a different species.

  • They can only reproduce with other mutants who have the same superpowers. Meaning there are many species of mutants.

  • They can't reproduce. Meaning they are like mules and aren't part of any species.

Which one is true?

Answers from the movies and comics are allowed.

  • When the first movie talked about human-being evolving every five thousand years, I always understood it as mutants being the "next phase"
    – Clockwork
    Aug 29, 2020 at 9:43
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    – Valorum
    Aug 29, 2020 at 9:47
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    I like your question and the way you frame it in biological terms, though I would reject the idea that mules have no species. But then, "Answers from movies and comics both are allowed" renders your question ambiguous, because bold statements found in fiction may not have this scientific basis. Suggest you clarify your request to ask either for evidence in the comics or movies that addresses the issue of reproduction, OR a statement in the comics or movies that doesn't necessarily address this point. Aug 29, 2020 at 14:05
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    In X-Men, there's a lot of talk about "homo superior" as if they are a different species, but there's also a lot of inconsistencies with how biology actually works. Could it be that "homo superior" is in-universe propaganda? i.e. classifying the two groups (mutants and regular people) as separate species would serve to "other" the opposing group, and make it easier to justify oppressing them.
    – Kai
    Aug 30, 2020 at 0:03

2 Answers 2


On Marvel Earth-616, mutants are classified as homo sapiens superior, sometimes shortened to homo superior.

New X-Men Vol 1 #114

New X-Men v1 114 003

Mutants can reproduce with normal humans, resulting in offspring which may fall into either category. Wolverine has fathered several children with normal human women, producing mutants in some cases (Daken) and normal humans in others (Gunhawk, Saw Fist, Shadowstalker and Fire Knives of the Mongrels).

Wolverine: Origins Vol 1 #28

Wolverine - Origins 028 002

Wolverine Vol 4 #14

Wolverine v4 014 019

It's also possible for the offspring of two mutants to be a normal human, as in the case of Graydon Creed, the son of Sabretooth and Mystique.

Uncanny X-Men Vol 1 #301

Uncanny X-Men v1 301 004


They can reproduce with normal human beings. The mother of Magneto's children Quicksilver and the Scarlet Witch was a normal human being. Hence, they are still homo sapiens. (According to the comics.)

Furthermore, many mutants have had children with other mutants whose powers bore no relationship with them. This inter-fertility shows that particular powers are not breaking off into separate species.

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    Parenthood and genetics can change fast in the marvel world. The current status of Quicksilver and Scarlet Witch since Uncanny avengers Vol 2 # 3 is that they were ordinary humans babies, with no relation to Magneto, that was kidnapped and experimented on by the High Evolutionary. This makes them enhanced humans, but not mutants. A better example would be David Haller AKA Legion. He is the son of the mutant Charles Xavier and the human Gabrielle Haller. Aug 29, 2020 at 17:07
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    It's a pretty well-worn trope in the Marvel Universe and most other comic book universes that a wide variety of sapient aliens, creatures, or entities that are either humanoid in shape ,or can assume a humanoid shape can viably interbreed with humans.
    – notovny
    Aug 29, 2020 at 19:41

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