Warning: Contains SPOILERS for The Ultimates #8! Planet Hulk is one of the Hulk’s most iconic story arcs in Marvel Comics, as it is a drastic change from the Hulk stories fans are used to reading.

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.

Tired of dealing with the Hulk, Iron Man and his compatriots send the creature to an uninhabited planet, only for him to divert it to a savage populated one. Once there, the Hulk is enslaved as a ...

but condensing the "Planet Hulk" arc to a glorified subplot was disappointing. So much of what made that story beloved was gone, including an ending which set the stage for World War Hulk.