| Issue | #18 |
| Published | February 1995 |
| Cover Price | 2.50 USD |
| Pages | 36 |
| Editing | Roland Mann |
| Characters | Prototype [Jimmy Ruiz]; Ranger [Bob Campbell] |
| Genre | Superhero |
| Pencils | Kevin Conroy |
| Inks | Bruce McCorkindale |
| Colors | Renee Pulve |
| Characters | Prototype [Jimmy Ruiz]; Battlewagon |
| Synopsis | Prototype fights a new enemy who is an old friend. |
| Genre | Superhero |
| Script | R.A. Jones |
| Pencils | Paul Abrams |
| Inks | John Strangeland; Rodney Gates |
| Colors | Prism Riot!; Andy Walton |
| Letters | Susan Dorne |
| Notes | Final issue. This issue promises a follow-up miniseries which never emerged. |
| Genre | Superhero |
| Notes | One letter and a cover for Prototype Turf War, a miniseries that never surfaced. |