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