Well, it could be due to a number of reasons. Maybe he sacrifices himself to save the city from a powerful villain. In some fanfictions, he might die in a fight against an overwhelming enemy that he just couldn't defeat on his own.
On a more emotional level, the memory of Peter would be a driving force for many characters. His death could inspire some to become better heroes or lead to new heroes emerging. His sacrifice could also be a symbol that unites the community against the forces of evil in the fanfiction world.
Doctor Octopus is also a likely candidate. His mechanical arms and high intelligence could give him an edge. He could manipulate a situation where Peter is caught off - guard and unable to defend himself, resulting in his death.
In some versions, Peter's reaction could be one of extreme anger. He could go on a rampage to seek revenge on whoever or whatever caused Tinkerbell's death. His anger could fuel him to take on powerful enemies he might not have dared to face before.
Peter Pan is likely to be deeply affected. Tinkerbell has always been by his side, so her death might make him feel a great sense of loss. He could become more withdrawn or reckless, as he has lost his faithful companion.
Captain Hook would initially feel victorious. But then he might realize that Peter was an important part of Neverland's balance. Without Peter, the eternal battle that gave his life purpose is gone. He could start to feel lost and even a bit regretful for all the times he tried to kill Peter.
Peter Parker's demise in comics is a complex matter. It could be as a result of sacrificing himself to save others or being caught in an impossible situation. The specific cause depends on the particular comic storyline and creative direction.
Peter Parker's demise in the comics is not always straightforward. It might be a sacrifice to save the world or a twist of fate within a particular comic arc.
In some fanfictions, Peter might die heroically while saving the city from a powerful villain like Venom. He could sacrifice himself to protect his loved ones and the innocent.
It would deeply affect Tony Stark. Tony has been like a mentor to Peter, so his death would be a huge blow. Tony might blame himself for not being able to protect Peter.
Peter might initially be in a state of shock. He could isolate himself from his friends and the world around him, constantly replaying memories of Aunt May in his head. He may also feel a great sense of guilt, thinking that he could have done more to protect her.