What is Karla Sofen?
[[File:Marvel characters.jpg|thumb|Cosplay of Karla Sofen / Moonstone (third).]] '''Dr. Karla Sofen''' (also known as '''Moonstone''', '''Meteorite''', and '''[[Ms. Marvel]]''') is a villainess turned anti-heroine of the [[Marvel Comics]] universe who is a nemesis of [[Hulk (Marvel Comics)|Hulk]] and once disguised as [[Captain Marvel (Marvel Comics)|Captain Marvel]] for a large amount of time, manipulating her allies. Like many other Marvel villains, she eventually redeemed herself and joined the [[Thunderbolts (comics)|Thunderbolts]]. She is the archenemy of [[Carol Danvers]]. Moonstone is a former psychologist who got her powers from a fusion with a gravity stone designed by the alien [[Kree]]. The character has been depicted as both a supervillain and an anti-hero at various times in her publication history. She was created by Marv Wolfman and the late Frank Robbins, and first appeared in ''Captain America #192'' in September of 1975. [[Category:Marvel Comics supervillains]]