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