Jean Grey is a setting.
Jean Grey . The character has been known under the aliases Marvel Girl , Phoenix , and Dark Phoenix . Created by writer Stan Lee and artist Jack Kirby , the character first appeared in The X-Men # 1 ( September 1963 ) . She is a caring , nurturing figure , but she also has to deal with being an Omega-level mutant and the physical manifestation of the cosmic Phoenix Force . She is an important figure in the lives of other Marvel Universe characters , mostly the X-Men , including her husband Cyclops , her mentor and father figure Charles Xavier , her unrequited love interest Wolverine , her best friend and sister-like figure Storm , and her genetic children Rachel Summers , X-Man , Cable , and Stryfe . The Phoenix Force is a fictional entity appearing in American comic books published by Marvel Comics .