"Brave the spookiest corners of the Marvel Action Universe with the Sorcerer Supreme and armored teen genius Riri Williams as they hunt the legendary Iron-Bound Book of Shuma-Gorath. Along the way they'll hear fearful tales of its past: Iron Man's encounter with a horrifying post-modern Prometheus! The time teenage monster hunter Elsa Bloodstone came up against a werewolf... in Captain America's clothing! Spider-Man and Nadia Van Dyne, the Unstoppable Wasp, against a possessive symbiote out for Peter Parker's soul! Then, in the fearful finale, the heroes learn who's behind the Book's chaos. And that person has one final fright to call forth!"-- Provided by publisher.