A cosmic saga years in the making! Before the Kree, Skrull or Shi'ar Empires…before the emergence of Galactus…before the birth of Asgard…there was the First War. The greatest conflict to ever rage across the Multiverse. Today, it is reignited. This…is the Day of Reckoning! And all that stands between all of reality and revenge from the dawn of time are the heroes of Earth - and the mind of Mister Fantastic! Starring the FF, She-Hulk, Jack of Hearts, the Unseen, the Silver Surfer, Thor, Doctor Doom, the Watcher and everyone in the whole dang Marvel Universe, this is the story Dan Slott has been waiting his whole career to tell! And for the Multiverse to survive, the Watchers must all break their most sacred oath! Collecting FANTASTIC FOUR: RECKONING WAR ALPHA, FANTASTIC FOUR (2018) #40-42 and RECKONING WAR: TRIAL OF THE WATCHER.