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