Hydra is a terrorist organization, lead by Viper.
During the Nimrod invasion, Hydra managed to reinforce and made an alliance with Modi in an attempt to topple the United States government.  In the final battle for Wyoming, Hydra's forces were ultimately defeated by the Ultimates and S.H.I.E.L.D.. Many Hydra members remain active underground.
Every member uses a special armored suit with repulsor boots.
- "Earl" was the de facto leader of the Hydra faction in Wyoming that led the raid on Project Pegasus. .
- 14 appearance(s) of Hydra (Earth-1610)
- 5 mention(s) of Hydra (Earth-1610)
- 2 image(s) of Hydra (Earth-1610)
- 9 member(s) of Hydra (Earth-1610)