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