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