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