Within X-Men universe have there been cases where an individual unintentionally died because of technicalities of their powers?

Example 1: Mutant X can fly, but X doesn't know he can only fly in total 1 hour per day (suppose between 00:00 day 1 and 00:00 day 2). Eventually, X flies really high, after 1 hour his power disappears (as he's used used up his power for that day), X plummets down and dies.

Example 2: Mutant Y can shoot water balls that explode. When Y is near a water source (suppose near means within a fixed radius), that source is used to create the water balls. At some point, Y uses his powers not within a water source and his body explodes as Y did not know that some liquid was required to feed his power.

Note: mutants that eventually figure out the technicalities or side-effects of their powers through usage do not count.

  • 1
    I believe there's an X-Men story where some mutants die by losing their secondary powers. For example, the mutant who can create fire loses his invulnerability to fire.
    – Rogue Jedi
    Apr 22, 2017 at 21:45
  • Your question is very broad, but you've tagged in with X-Men. Are you specifically asking about the Marvel universe (where the X-Men exist)? If so, that would narrow your question and likely get it reopened, if you could clarify that.
    – KutuluMike
    Apr 22, 2017 at 21:46
  • Yes, narrowing it down to X-men is fine.
    – user82556
    Apr 22, 2017 at 21:53
  • In Ruins (not part of the main canon because it's a parody), Magneto accidentally drags every piece of metal in the vicinity toward himself. He's ultimately killed by a plane crashing into the terminal; static.comicvine.com/uploads/original/2/28028/709132-ruins5.jpg
    – Valorum
    Apr 22, 2017 at 22:04
  • Yes, I'm looking for something along those lines.
    – user82556
    Apr 22, 2017 at 22:07

1 Answer 1


In Peter Parker: The Spectacular Spider-Man #91 we find the mutant Unus the Untouchable recuperating from a recent fight with the Hulk.

It would appear that this encounter (and the exertion of his powers) has resulted in him gaining in strength. Unfortunately, a side-effect of this newfound power is that he now can't eat or drink, gravity is losing its grip on him and ultimately he suffocates to death.

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In the parody "Ruins", the death of mutants (as a result of their own powers) is a theme that's explored in vivid detail.

  • Magneto is killed when his magnetic harness breaks and tons of metal slam into him.

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  • Mystique is killed when her powers run out of control (warning NFSW - Gory)

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  • 3
    That's a parody? Geez, I'd hate to see what an intentional gore comic would look like! Apr 23, 2017 at 3:32
  • Unus's suffocation was later retconned so it didn't kill him, but he ended up dying in an almost identical way anyway.
    – tobiasvl
    Apr 23, 2017 at 8:41
  • @tobiasvl - Unless Unus is Uncle Ben in disguise, there was always a possibility that he'd come back later.
    – Valorum
    Apr 23, 2017 at 18:11
  • @Valorum: Unus -- Ooncle Ben -- obviously that is what's going on. May 22, 2017 at 14:49

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