James Jankovicz
Jimmy Jupiter
- Also known as Jimmy Jankovicz
Appearances
- Captain America Comics #[nn] — 1942-00-00
- Marvel Mystery Comics #28 — 1942-02-00
- Marvel Mystery Comics #31 — 1942-05-00
- Marvel Mystery Comics #45 — 1943-07-00
- Captain America #2 — 2011-10-00
- Marvel Masterworks: Golden Age Marvel Comics #7 — 2012-07-18