Who shot the Watcher? Uatu, a mysterious being who observes mankind from the moon, is dead. Nick Fury forges unlikely alliances to lead a cosmos-spanning investigation into the murder. Doctor Strange and the Punisher travel to another dimension. The Guardians of the Galaxy, Moon Knight, and the Winter Soldier head into deep space, and Emma Frost, Ant-Man, and Black Panther journey to the center of the Earth. The facts they uncover lead them to strange and unnerving conclusions. Discover some of the Marvel Universe's greatest secrets: as truths come tumbling into the light, the Original Sins of our heroes are exposed for all to see.