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