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