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