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