Credits for John Verpoorten on Spider-Man related comics and items from our database.
| Aug 1970 | Amazing Adventures (Vol. 2) #1 (Inker) |
| Oct 1980 | Amazing Adventures (Vol. 3) #11 (Inker) |
| Year 1978 | The Amazing Spider-Man Mighty Marvel Comics Calendar 1978 (Inker) |
| Jun 1968 | Not Brand Echh #8 (Story 1) (Artist) |
| Dec 1968 | Not Brand Echh #11 (Story 8) (Artist) |
| May 1969 | Not Brand Echh #13 (Story 3) (Inker) |
| May 1969 | Not Brand Echh #13 (Story 10) (Inker) |