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