An Elder of the Universe wants to fight Earth's strongest hero—but will Thor and Hulk ever agree on who that is? Of course not! They'll have to run a gauntlet of impossible challenges to prove their worth...but what's really waiting for them at the finish line?

Part of the comiXology Originals line of exclusive digital content only available on comiXology and Kindle. This title is available as part of comiXology Unlimited.