Viper

Marvel

Alias

Madame Hydra

Universes

Deadpool Kills the Marvel Universe Again, Earth 6160

Teams

A.I.M.AvengersDark AvengersH.A.M.M.E.R.HandHydraKreeNew AvengersS.H.I.E.L.D.Secret AvengersSkrullsThunderboltsX-Men

Appearances

7 issues

Series

1

Viper is the former terrorist leader of HYDRA and an enemy of Captain America, Nick Fury and Wolverine among many others.