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