The Hulk has died in certain comic runs. It could be due to powerful villains, cosmic events, or internal conflicts within the character. However, his popularity ensures he usually finds a way back to life to continue thrilling fans.
Well, the Hulk's demise in the comics was a dramatic affair. It could have been from a combination of overwhelming enemy forces or a selfless act to protect others. The details depend on the specific comic arc and storyline.
The Hulk's demise in comics is not always straightforward. It might be as a result of sacrificing himself to save the world, or perhaps due to a combination of factors that weaken him beyond recovery.