The Hydra
Marvel, Greek mythology monster
- Also known as Lernean Hydra
Appearances
- The Avengers #43 — 1967-08-00
- The Avengers #44 — 1967-09-00
- Incredible Hercules #113 — 2008-02-00
- Red Hulk: Haunted #[nn] — 2012-07-25
- Black Widow Epic Collection #1 — 2019-00-00