Credits for Karl Bollers on Spider-Man related comics and items from our database.
| Dec 1994 | Marvel Holiday Special 1994 (Story 1) (Writer) |
| Dec 1994 | Marvel Holiday Special 1994 (Story 5) (Writer, Colorist) |
| Year 1995 | Spider-Man: 1995 Holiday Special (Story 1) (Writer) |
| Year 1995 | Spider-Man: 1995 Holiday Special (Story 2) (Writer) |
| Feb 2009 | What If... Secret Wars (Story 1) (Writer) |
| Feb 2010 | What If... Secret Invasion (Story 1) (Writer) |