Yes, sometimes Spiderman faces life-threatening situations in the comic, but his fate often depends on the storyline and the creative decisions of the writers.
Well, Spiderman could be surprised in the comic for various reasons. It could be a surprise attack from a villain he didn't expect, or a revelation about someone close to him. Sometimes, it might even be a shock from a new discovery related to his powers or his origin story.
Spiderman is Marvel, no doubt about it. He's got that classic Marvel charm and his storylines are deeply integrated into the larger Marvel comic universe.