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