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