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