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