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