Timeline B: 1992
Charles and Raven have led the X-Men to become the premiere superhero team of the world, and Xavier’s Institute a home to legions of mutant students. But after a mission to space to save the crew of the U.S. space shuttle Endeavour, Jean inadvertently fuses with the cosmic entity known as the Phoenix Force, granting her dangerous amounts of psychic power. Tracked by a race of shapeshifting aliens whose home planet was destroyed by the Phoenix, the D’Bari, Jean is rocked by both the revelation Charles had lied to her about her past as well as her increasingly uncontrollable powers, as well as the manipulations of the D’Bari.
After Jean accidentally kills Raven and flees the X-Men, Charles once again teams up with Magneto to try and save her. Jean is ultimately convinced to sacrifice herself to take out the D’Bari’s leader, Vuk, transcending her physical form to become one with the Phoenix. (X-Men: Dark Phoenix)
