| Issue | #17 |
| Published | April 1981 |
| Cover Price | 0.50 USD |
| Pages | 36 |
| Editing | Jo Duffy (editor); Jim Shooter (editor-in-chief) |
| Notes | Letters page replies by Bill Mantlo. |
| Characters | Rom; the X-Men [Colossus; Nightcrawler; Storm; Wolverine] |
| Genre | superhero; science fiction |
| Pencils | Frank Miller (signed) |
| Inks | Al Milgrom (signed) |
| Letters | Dan Crespi? |
| Characters | Rom; the X-Men [Colossus; Nightcrawler; Storm; Wolverine; Sprite [Kitty Pryde]; Professor X [Charles Xavier]] |
| Genre | superhero; science fiction |
| Script | Bill Mantlo (plotter, scripter); Sal Buscema (plotter); Chris Claremont (consultant) |
| Pencils | Sal Buscema |
| Inks | Sal Buscema |
| Colors | Ben Sean |
| Letters | Michael Higgins |