Bruce, abandoned by his friends, chased away by his enemies and taken by the Grandmaster, fully loses control and the Hulk takes over completely. When he arrives on Sakaar, the Grandmasters planet, he is forced to compete in gladiator matches against other fighters. At first he does so, taking pleasure in people finally appreciating his strength and having nothing else left anymore, but the longer he stays, the more he starts to desire revenge against all who have demeaned him throughout his whole life, especially at the end. He hatches a plan to escape with several other fighters from Sakaar and returns to earth, with no mercy left in his heart...