| Issue | #1 |
| Published | December 1979 |
| Cover Price | 0.40 |
| Pages | 36 |
| Editing | Danny Fingeroth |
| Characters | Professor X [Charles Xavier]; Agent Fred Duncan; Cyclops [Scott Summers] |
| Genre | superhero |
| Pencils | Jack Kirby |
| Inks | Paul Reinman |
| Letters | Sam Rosen |
| Reprinted | from X-Men (Marvel, 1963 series) #1 (September 1963) |
| Characters | Intro: X-Men; Professor X [Charles Xavier]; Magneto |
| Genre | superhero |
| Script | Stan Lee, Jack Kirby |
| Pencils | Jack Kirby |
| Inks | Paul Reinman |
| Letters | Sam Rosen |
| Editing | Stan Lee |
| Reprinted | from X-Men (Marvel, 1963 series) #1 (September 1963) [pp. 1-12] |
| Characters | Professor X; Agent Fred Duncan; Cyclops [Scott Summers] |
| Synopsis | Prof X decides to form a school for mutants |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Werner Roth |
| Inks | John Verpoorten |
| Letters | Sam Rosen |
| Editing | Stan Lee |
| Reprinted | from X-Men (Marvel, 1963 series) #38 (November 1967) |