Originally Posted by ThePowerCosmic
It's simple, though. Viper and Madame Hydra won't be the same character in the movie universe(s).
Both of the characters will be made different enough so that there is no confusion.
I'd like to see Svetlana as Madame Hydra. Marvel doesn't need to explain his background, her story with Wolverine. Call her "Madame Hydra", give her a different suit, maybe a different hair style (green?) and stop. It's simple. If they want they reference her as "Viper" in some lines, but call her Madame Hydra.