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