Credits for John Costanza on Spider-Man related comics and items from our database.
| Date TBD | Doom 2099 #29 (Lettering) |
| Date TBD | Doom 2099 #39 (Lettering) |
| Jan 1993 | Marvel Holiday Special 1992 (Story 3) (Inker) |
| Aug 1992 | What The?! #20 (Artist) |
| Dec 1992 | What The?! #24 (Artist) |
| Year 1993 | What The?! #26 (Artist) |