Viper

Ophelia Sarkissian, also known as Viper and Madame Hydra, is a supervillain appearing in American comic books published by Marvel Comics. Created by writer-artist Jim Steranko, the character first appeared in Captain America #110 (1969). Viper is a leader of the terrorist organization Hydra and serves as an adversary of various heroes in the Marvel Universe, most notably Captain America and Black Widow of the Avengers, and Wolverine of the X-Men. Since her original introduction in comics, the character has been featured in various other Marvel-licensed products, including video games, animated television series, and merchandise. The character appeared in the X-Men franchise film The Wolverine, portrayed by Svetlana Khodchenkova. A version of the character, Aida "Ophelia" / Madame Hydra, appears in the Marvel Cinematic Universe television series Agents of S.H.I.E.L.D. as the simulated identity of the Life Model Decoy, Aida, portrayed by Mallory Jansen.