John Kowalski
Marvel, an agent of Death
- Also known as
Appearances
- War Is Hell #15 — 1975-10-00
- Man-Thing #10 — 1981-05-00
- Man-Thing #11 — 1981-07-00
- Marvel Ghost Stories #[nn] — 2011-09-21
- Avengers: Scarlet Witch by Dan Abnett & Andy Lanning #[nn] — 2015-04-01