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