When the Hulk's presence on Earth becomes too great a risk, the Illuminati trick him to board a shuttle destined for a planet where he will be able to live in peace, and launch it into space. The Hulk's struggle to escape causes the shuttle to malfunction and crash land on the planet Sakaar, however, where he is sold into slavery and trained as a gladiator.
Superman and Supergirl take on the cybernetic being known as Brainiac, who boasts that he possesses "the knowledge and strength of 10,000 worlds."
The Man of Steel finds himself outshone by a new team of ruthless superheroes who hold his idealism in contempt.
