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