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