Dr. Jack Castle
Fiery Mask
- Also known as
Appearances
- Daring Mystery Comics #1 — 1940-01-00
- Daring Mystery Comics #5 — 1940-06-00
- Daring Mystery Comics #6 — 1940-09-00
- The Human Torch #2 — 1940-10-00
- Captain America Comics #4 — 1941-06-00
- The Twelve #7 — 2008-10-00
- Incredible Hercules #137 — 2009-12-00
- The Marvels Project #8 — 2010-07-00
- The Twelve #1 — 2012-01-18
- The Twelve #2 — 2012-10-03