The hunt is on! Mystical hammers lay strewn across the entire Marvel Universe and in FEAR ITSELF: THE FEARLESS #1 from the blockbuster creative team of Matt Fraction, Cullen Bunn, Chris Yost, Mark Bagley & Paul Pelletier, Valkyrie is off to find them! Her mission is simple -- find these weapons of mass destruction no matter what the cost, and no matter who stands in her way -- even Captain America and the Avengers! Except while Valkyrie is trying to save the world, Sin is looking to burn it to the ground. No fan can miss FEAR ITSELF: THE FEARLESS #1!