This diverse group forged from the "human" template by the Celestial manipulations, Homo sapiens shows great variation and potential, possessing a total of six main groups (it is also possible that Vargas represents a new direction in Homo sapiens). All have a standard humanoid physical morphological template, although exceptions are possible within both Homo sapiens superior and Homo sapiens inhumanus, and almost inevitable within Homo sapiens deviare; additionally, Homo sapiens mermanus are typically endowed with either blue- or green-tinted skin.
Read more about this topic: Homo Sapiens (Marvel Comics)