In the Invincible comics, Rex survives. The character's fate takes different turns, but death isn't one of them. The storyline keeps him involved and active throughout.
Rex Splode remains alive throughout the comics. The storylines don't feature his death. Maybe there were some close calls or dangerous situations, but he survived them all.
Rex Splode's demise in the comics occurs as a result of a series of events. First, he gets caught in a dangerous trap set by the enemy. Then, despite his best efforts to escape and fight back, his powers are overwhelmed, leading to his tragic end.
Well, in some comics, the invincible characters might die if it serves a greater narrative purpose or to shock the readers. But in others, they might always remain unbeatable. It really varies.
A few of the recommended novels fit the theme of " want to die but be invincible." Among them," I Heard I'm Unrivalled After Death " was a novel that transmigrated to the world of martial arts. The protagonist wanted to return to Earth, but he had the ability to become a god after death. " If You Don't Let Me Die, I'll Really Be Invincible " was set in a world full of danger. The protagonist had the ability to inherit the system's power after death. " The Final Catastrophe " was a book written in dark language. The main character was a prehistoric monster who could not die no matter what. He had an undying body and great power. These novels all had novel and interesting plots, which met the requirements of " want to die but be invincible ".