| Issue | #12 |
| Published | March 1990 |
| Cover Price | $2.50 |
| Pages | 28 |
| Genre | Science fiction; Adventure |
| Pencils | Steve Sampson |
| Colors | Steve Sampson (painted) |
| Genre | Science fiction; Adventure |
| Script | Jeffrey Morgan |
| Pencils | D'Israeli |
| Inks | Ken Holewczynski |
| Letters | Deborah Marks |
| Notes | This episode features the most "touching" scene in the entire series! (Too bad Mercedes was asleep and missed it.) |
| Genre | Science fiction; Adventure |
| Script | Jeffrey Morgan |
| Pencils | D'Israeli |
| Inks | Ken Holewczynski |
| Letters | Deborah Marks |
| Notes | Mister X wanders the streets alone and reminisces. |
| Genre | Science fiction; Adventure |
| Colors | Dan Couto (painting / photo montage) |
| Notes | Ad / The Mister X Poster from Photographics |