Editing Jean Grey (section)

===Phoenix Force and first death===
{{Main|The Dark Phoenix Saga}}
During an emergency mission in space, the X-Men find their shuttle damaged. Jean pilots the shuttle back to Earth, but is exposed to fatal levels of radiation.<ref name="DPT"/> Dying, but determined to save Cyclops and her friends, Jean calls out for help and is answered by the cosmic entity the Phoenix Force.<ref name="FF286">{{Cite comic
| writer = [[John Byrne (comics)|John Byrne]]
| penciller = [[John Byrne (comics)|John Byrne]]
| inker= [[Terry Austin (comics)|Terry Austin]]
| story = Like a Phoenix!
| title = [[Fantastic Four]]
| volume = 
| issue = #286
| date = January 1986
| publisher = Marvel Comics
| location =
| page =
| panel =
| id =
}}</ref> The Phoenix Force, the sum of all life in the universe,<ref name="Classic43">{{Cite comic
| writer = [[Chris Claremont]]
| penciller = [[Mike Collins (comics)|Mike Collins]]
| inker = [[Josef Rubenstein]]
| story = Flights of Angels
| title = [[Classic X-Men]]
| volume = 
| issue = #43
| date = January 1990
| publisher = Marvel Comics
| location =
| page =
| panel =
| id =
}}</ref> is moved by Jean's wish to save herself and her friends. It takes the form of a duplicate body to house Jean's psyche. The duplication is so exact that the Phoenix Force believes itself to be Jean Grey,<ref name="FF286"/> and places Jean's dying body in a healing cocoon.<ref name="CLSX8"/> This cocoon is later described as a Phoenix Egg.{{Volume needed|c=y|date=June 2019}} The ship crashes in Jamaica Bay, with the other X-Men unharmed.<ref name="UCXM101">{{Cite comic
| writer = Chris Claremont
| penciller = Dave Cockrum
| inker =Frank Chiaramonte
| story =Like A Phoenix, From The Ashes!
| title = The X-Men
| volume = 
| issue = #101
| date = October 1976
| publisher = Marvel Comics
| location =
| page =
| panel =
| id =
}}</ref>

The Phoenix Force, assuming Jean's identity, emerges wearing a new costume and adopts the codename "Phoenix";<ref name="UXM125">{{Cite comic
| writer = Chris Claremont
| penciller = John Byrne
| inker = Terry Austin
| story = There's Something Awful on Muir Island
| title = The Uncanny X-Men
| volume = 
| issue = #125
| date = September 1979
| publisher = Marvel Comics
| location =
| page =
| panel =
| id =
}}</ref> meanwhile, the cocoon containing the real Jean Grey sinks to the bottom of the bay, unnoticed. Phoenix continues her life as Jean Grey with the other X-Men, joining them on missions and even helping to save the universe. During "[[The Dark Phoenix Saga]]", Phoenix becomes overwhelmed and corrupted by her first taste of evil and transforms into a force of total destruction called "Dark Phoenix", inadvertently killing the inhabitants of a planetary system after consuming its star, and jeopardizing the entire universe.<ref name="DPS">{{cite book |title=X-Men: The Dark Phoenix Saga |first=Chris |last=Claremont |publisher= Marvel Publishing |location=New York| isbn=978-0-7851-2213-5 |year=1984}}</ref> However, Jean's personality manages to take control and Phoenix commits suicide to ensure the safety of the universe.<ref name="FF286"/><ref name="DPS"/>