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