Do you want to compare Black Widow with Viper? Discover the powers, weakness & weapons of Black Widow and Viper from Black Widow Biography and Viper Biography. Find out all about Black Widow and Viper.# Check out how is Black Widow unique and distinct from Viper. Discover their love interest, sidekicks, family tree and the movies and games list in which Black Widow and Viper have appeared. Find out everything about them here!