Hydra
Marvel
- First published 1971
Members
- Baron von Strucker — joined 1972
- Agent H — joined 1973
- Suprême Hydra — joined 1973
- Man-Killer — joined 1977
- El Jaguar — joined 1979
- Hydra Suprême — joined 1979
- Jackhammer — joined 1979
- Otto Vermis — joined 1980
- Spider-Woman — joined 1980
- Madame Hydra — joined 1991
- Don Fortunato — joined 1998
- Octavia Vermis — joined 2021
- Arnim Zola
- Baron Zémo
- Crâne Rouge
- Laura Brown
- Suprême Hydra
- Suprême Hydra
- Valentina Allegra de Fontaine
- Vipère