| Issue | #55 |
| Published | June 1990 |
| Cover Price | 1.00 USD; 1.25 CAD |
| Pages | 36 |
| Editing | Bob Harras; Tom DeFalco (editor-in-chief) |
| Notes | Signature dated 1990. |
| Characters | the Beast; Mesmero |
| Genre | superhero |
| Pencils | Mike Mignola (signed) |
| Inks | Mike Mignola (signed) |
| Letters | typeset |
| Notes | Signature dated 1990. |
| Reprinted | in X-Marvel (Play Press, 1990 series) #45 (January 1994) [Italy]. |
| Characters | FEATURE: X-Factor [Archangel; the Beast; Cyclops; Iceman]; GUESTS: Vera Cantor; Opal Tanaka; VILLAINS: Mesmero; Infectia; Anti-Bodies |
| Synopsis | Infectia and Mesmero try to get at Beast through an old flame. |
| Genre | superhero |
| Script | Peter David |
| Pencils | Terry Shoemaker (pp.1-6); Colleen Doran (pp.7-22) |
| Inks | Al Milgrom |
| Colors | Tom Vincent |
| Letters | Joe Rosen |
| Reprinted | in X-Marvel (Play Press, 1990 series) #45 (January 1994) [Italy]. |