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Viper (real name Ophelia Sarkissian, formerly known as Madame Hydra) is a supervillain appearing in American comic books published by Marvel Comics. She is a foe of the Avengers and the X-Men.
Madame Hydra/Viper
Best Marvel Villain
for Best Marvel Villain in Best and Worst of Villains
Suggested by Anicomicgeek
Which villain is very evil, and which ones are wimp villains.
