X-Men: Blue Mutants Are Everywhere. Where are the Blue Humans?

The X-Men has tons of blue mutants, but when it comes to our world, we have few blue humans. There's actually a science reason for that

Emma Frost - Wikipedia

X-Men Mutantversity: There's People In Those Eggs – Multiversity

I will never be able to forgive the existence of Ultimate X-Men

X-Men' Movie Stars You Might Have Forgotten

Scott Summers (Earth-616), Marvel Database

Are there any Marvel mutants with powers like Superman (super

X-Men: Blue Mutants Are Everywhere. Where are the Blue Humans?

Are mutants and Inhumans the same? - Quora

Magneto forms the Acolytes and proclaims Asteroid M a haven for mutants everywhere; But the rest of the world doesn't see it that way; Nick Fury

X-Men #1 : Rubicon (Beast & Storm Variant Cover - Marvel Comics)

X-Men: Blue Characters - Comic Vine

X-Men Mutantversity: Amazing Babywatch – Multiversity Comics