| Issue | #11 |
| Published | 1989 |
| Cover Price | 29.95 USD |
| Pages | 1 |
| Editing | Gregory Wright; Sara Tuchinsky (assistant editor); Evan Skolnick (assistant editor) |
| Genre | superhero |
| Pencils | Gil Kane |
| Inks | Dave Cockrum |
| Reprinted | from Giant-Size X-Men (Marvel, 1975 series) #1 (May 1975) |
| Script | Stan Lee |
| Letters | typeset |
| Genre | superhero |
| Pencils | Gil Kane |
| Inks | Dave Cockrum |
| Colors | Steve Buccellanto |
| Reprinted | from Giant-Size X-Men (Marvel, 1975 series) #1 (May 1975) |
| Genre | superhero |
| Script | Len Wein; Chris Claremont (plot assist) |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | Steve Buccellanto |
| Letters | John Costanza |
| Editing | Len Wein |
| Notes | 1st appearance of Nightcrawler, Storm, Colossus, Thunderbird |
| Reprinted | from Giant-Size X-Men (Marvel, 1975 series) #1 (May 1975) |
| Genre | superhero |
| Pencils | Gil Kane |
| Inks | Dave Cockrum |
| Colors | Evelyn Stein |
| Reprinted | from X-Men (Marvel, 1963 series) #94 (August 1975) |
| Genre | superhero |
| Script | Len Wein (co-plot); Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Bob McLeod |
| Colors | Evelyn Stein |
| Letters | Tom Orzechowski |
| Editing | Len Wein |
| Notes | Iceman, Angel, Marvel Girl, Sunfire leave team. 2nd chapter: "Death over Valhalla High" |
| Reprinted | from X-Men (Marvel, 1963 series) #94 (August 1975) |
| Genre | superhero |
| Pencils | Gil Kane |
| Inks | Dave Cockrum |
| Colors | Evelyn Stein |
| Reprinted | from X-Men (Marvel, 1963 series) #95 (October 1975) |
| Genre | superhero |
| Script | Len Wein (co-plot); Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Sam Grainger |
| Colors | Evelyn Stein |
| Letters | Karen Mantlo |
| Editing | Marv Wolfman |
| Notes | Thunderbird dies |
| Reprinted | from X-Men (Marvel, 1963 series) #95 (October 1975) |
| Genre | superhero |
| Pencils | Marie Severin |
| Inks | Sal Buscema |
| Colors | Evelyn Stein |
| Reprinted | from X-Men (Marvel, 1963 series) #96 (December 1975) |
| Genre | superhero |
| Script | Chris Claremont; Bill Mantlo (plot assist) |
| Pencils | Dave Cockrum |
| Inks | Sam Grainger |
| Colors | Evelyn Stein |
| Letters | Dave Hunt |
| Editing | Marv Wolfman |
| Reprinted | from X-Men (Marvel, 1963 series) #96 (December 1975) |
| Genre | superhero |
| Pencils | Rich Buckler |
| Inks | Dave Cockrum |
| Colors | Evelyn Stein |
| Reprinted | from X-Men (Marvel, 1963 series) #97 (February 1976) |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Sam Grainger |
| Colors | Evelyn Stein |
| Letters | Annette Kawecki [as Annette Kaye] |
| Editing | Marv Wolfman |
| Reprinted | from X-Men (Marvel, 1963 series) #97 (February 1976) |
| Genre | superhero |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | George Roussos |
| Reprinted | from X-Men (Marvel, 1963 series) #98 (April 1976) |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Sam Grainger |
| Colors | George Roussos |
| Letters | Joe Rosen |
| Editing | Marv Wolfman |
| Reprinted | from X-Men (Marvel, 1963 series) #98 (April 1976) |
| Genre | superhero |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | Michael Rockwitz |
| Reprinted | from X-Men (Marvel, 1963 series) #99 (June 1976) |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Frank Chiara [as Frank Chiara] |
| Colors | Michael Rockwitz |
| Letters | Irving Watanabe; Gaspar Saladino (page 1) |
| Editing | Marv Wolfman |
| Reprinted | from X-Men (Marvel, 1963 series) #99 (June 1976) |
| Genre | superhero |
| Pencils | Arthur Adams |
| Inks | Arthur Adams |
| Reprinted | from Classic X-Men (Marvel, 1986 series) #1 (September 1986) |
| Genre | superhero |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | Steve Buccellanto |
| Reprinted | from X-Men (Marvel, 1963 series) #100 (August 1976) |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Dave Cockrum |
| Colors | Steve Buccellanto |
| Letters | Annette Kawecki |
| Editing | Marv Wolfman |
| Reprinted | from X-Men (Marvel, 1963 series) #100 (August 1976) |