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