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