In the fanfiction, it might be that there's a misunderstanding between Deadpool and Peter Parker. Deadpool could think Peter has done something really bad, like endanger the lives of other mutants, when in fact it's a false perception.
Perhaps in this fanfiction world, there's a multiverse - related plot. The Deadpool from a different, more ruthless universe crosses over into Peter Parker's world and decides to kill him because in his own world, superheroes are seen as threats rather than protectors.
Deadpool himself could be considered the main antagonist in this case, as he is the one who is set on killing Peter Parker. His unpredictable and violent nature makes him a formidable foe.
In 'Peter Parker gets bullied fanfiction', it might show Peter being bullied online as well. With his secret identity, he has to be careful about how he responds. Some bullies could spread false rumors about him on social media, which affects his relationships at school. This could lead to him feeling more isolated and having a hard time concentrating on his studies and his superhero duties.
Well, in some 'Peter Parker Gets Stabbed' fanfiction, it might happen during a fight with a new, powerful villain. The villain could have a weapon specifically designed to harm Spider - Man, like a blade coated with a substance that weakens his healing factor. Peter might get stabbed while trying to protect someone, like MJ or Aunt May. And then he has to deal with the injury, hiding it from his loved ones while also trying to figure out how to defeat the villain before the wound becomes too much to handle.
One possible scenario could be that Peter sacrifices himself to save others during a crucial battle in the Endgame - like situation in the fanfiction. Maybe he uses his powers to hold off a powerful enemy while the rest of the heroes complete a vital task.
Some writers might do it for shock value. They want to create a very different and extreme take on the character to get a strong reaction from readers.
One possible scenario is that they team up to fight a common enemy. During the battle, they start to notice each other's strengths and develop an attraction. Another could be that Peter is exploring a new part of the city and accidentally bumps into Master Tigress. They start talking and find they have a lot in common, like their love for their respective cities. Then, their relationship blossoms from there.
Perhaps in the fanfiction, there is a malfunction in Peter's suit technology. It could be that the suit's power source goes haywire and causes an explosion that kills Peter. This could be due to some sabotage by a new enemy who targets Peter specifically because of his growing reputation as Spider - Man in the Homecoming universe.
In some fanfictions, they might team up to fight a new villain. Picture them combining their powers and skills. Peter Parker's acrobatic skills and spider - sense along with the other Peter's unique abilities could make for an epic showdown against a powerful enemy.
One interesting fanfiction could be where Peter Parker and Deadpool team up to take on a powerful new villain in New York. They have very different styles, with Peter being more of the traditional hero and Deadpool being, well, Deadpool. Their banter throughout the story as they try to figure out how to work together would be really engaging.
One possible scenario could be Peter's selfless nature. He is always putting others before himself, whether it's saving his neighbors in Queens or his fellow Avengers. His sense of responsibility mirrors the qualities that Odin deemed worthy for Mjolnir. Another could be his growth in wisdom. Despite being a young hero, he has learned a great deal from his experiences and mistakes, which might contribute to his worthiness.