| Issue | #36 |
| Published | September 1967 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | The X-Men (Angel, Beast, Cyclops, Iceman, Marvel Girl); Mekano |
| Genre | superhero |
| Pencils | Ross Andru |
| Inks | George Roussos |
| Notes | George Roussos credite per Nick Caputo. Original indexer credited Frank Giacoia. |
| Reprinted | in X-Men (Marvel, 1963 series) #84 |
| Characters | The X-Men (Angel, Beast, Cyclops, Marvel Girl); V: Mekano (I; Tom Regal), Changeling, Factor Three |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Ross Andru |
| Inks | George Roussos (George Bell) |
| Letters | Sam Rosen |
| Reprinted | in X-Men (Marvel, 1963 series) #84; in Marvel Special (Marvel Italia, 1994 series) #14 |