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