- Chris Claremont
- John Byrne
- Terry Austin
- Andy Yanchus
- Tom Orzechowski (pp. 1–14, 16, 23); Denise Wohl (pp. 15, 17, 22, 26–31)
- FEATURE: X-Men [Professor X; Cyclops; Phoenix [Jean Grey]; Storm; Wolverine; Colossus; Banshee; Nightcrawler]; GUESTS: Lilandra; Misty Knight; Peter Corbeau; Starjammers [Corsair [Christopher Summers]; Hepzibah; Raza; Ch'od]; VILLAINS: Jahf (1st); Modt (1st); D'Ken; CAMEOS: Gladiator; Titan; Jimmy Carter; Mr. Fantastic; Human Torch; The Thing; Firelord; John Grey; Elaine Grey; Avengers [Captain America [Steve Rogers]; Beast; Wasp; Yellowjacket [Hank Pym]; Black Panther]; CAMEO FLASHBACK: Kate Summers
- The X-Men and Starjammers are forced to battle the Crystal Guardians to try and gain access to the M'Kraan Crystal; Jean manifests awesome power as the Phoenix and saves the universe from destruction; Corsair is Cyclops' father.
1st Byrne and Austin issue of X-Men.
Sources for particularization of letters credits are The Marvel Comics Index (Olshevsky 1981) and The Official Marvel Index to the X-Men (Olshevsky 1988).