| Issue | #42 |
| Published | Mid December 1989 |
| Cover Price | 1.25 USD; 1.75 CAD |
| Pages | 36 |
| Editing | Bob Harras; Daryl Edelman (assistant editor); Jim Salicrup (original material) |
| Genre | Superhero |
| Pencils | Steve Lightle |
| Inks | Steve Lightle |
| Characters | Professor X |
| Genre | Superhero |
| Pencils | Steve Lightle |
| Inks | Steve Lightle |
| Characters | F: X-Men--Professor X, Cyclops, Storm, Wolverine, Colossus, Nightcrawler; GS: Beast, Angel, Lilandra, Gladiator, Jarvis; GV: Dark Phoenix (Jean Grey); GC: Jimmy Carter |
| Synopsis | Dark Phoenix returns to Earth to face the X-Men and her old life; After a pitched battle with her former teammates, Jean is restored to her right mind after a furious assault by Xavier; As the team is celebrating the purging of the Phoenix force, they vanish into thin air. |
| Genre | Superhero |
| Script | Chris Claremont; John Byrne (co-plotter) |
| Pencils | John Byrne |
| Inks | Terry Austin |
| Colors | Glynis Oliver |
| Letters | Tom Orzechowski |
| Reprinted | from X-Men (Marvel, 1963 series) #136 |
| Characters | Cyclops |
| Genre | Superhero |
| Script | Chris Claremont |
| Pencils | Mike Collins |
| Inks | Joe Rubinstein |
| Colors | Gregory Wright |
| Letters | Joe Rosen |
| Reprinted | in Incredibili X-Men, Gli (Marvel Italia, 1994 series) #57 |