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