How else would his trousers stay on once his other garments had been pulled off? But the Hulk's underpants isn't just any elastic material; they're custom-made by one of the Fantastic Four (Reed Richards). ¹⁾

Gamma radiation, unlike vibranium, adamantium, and other elements of superhero technology, is a very real phenomenon. It can originate from space and even mutate and modify DNA, but in the actual world, this generally results in horrifying harm rather than extraordinary power. ²⁾

Bruce Banner transforms into the Hulk in the Ultimate Universe because The Ultimates have no one else to fight. ³⁾

In the same story, Bruce was tremendously envious of his ex-girlfriend Betty Ross's date with Freddie Prinze Jr. The crazy Hulk attempts to track down Freddie in order to devour him, and the team must intervene to put an end to his rampage. It's a good thing. Freddie Prinze Jr. does not appear to be appetizing. ⁴⁾

The Illuminati, posing as Hulk's allies, sent him into orbit to destroy a satellite, believing it was the best way to control him. ⁵⁾

He was launched to space and landed on the planet Sakaar, which Hulk quickly controlled. The Hulk then assembled an army and returned to Earth to exact vengeance on The Illuminati for having sent him away in the first place. ⁶⁾

Among his numerous skills are a few that aren't well known, such as the capacity to breathe underwater via a specialized gland and the ability to sense ghosts, which made him one of the few characters who could see Doctor Strange in his astral form. ⁷⁾