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