Collects Immortal Hulk: Great Power (2020) #1, Immortal Hulk: The Threshing Place (2020) #1, Immortal Hulk: Flatline (2021) #1, material from Immortal Hulk: Time of Monsters (2021) #1.

AL EWING AND ALEX PAKNADEL INTRODUCE THE ORIGINAL HULK! Ten thousand years ago, something green and glowing comes to poison the ancient ground of the Fertile Crescent — and the hearts of its people. One boy is left to bear the consequences — and, for the first time...to open THE GREEN DOOR. Plus: Bruce Banner faces a challenge unlike any he's seen before as writer David Vaughan makes his Marvel debut!