Viper (Madame Hydra)
The next known Viper, formerly known as Madame Hydra, was created by Jim Steranko and first appeared in Captain America #110 (February 1969).
Read more about this topic: Viper (Marvel Comics)
Viper (Madame Hydra)
The next known Viper, formerly known as Madame Hydra, was created by Jim Steranko and first appeared in Captain America #110 (February 1969).
Read more about this topic: Viper (Marvel Comics)