It could be some random students at Peter's school. Maybe there are those who are jealous of Peter's achievements in science or his closeness to his friends like MJ and Ned. They might start bullying him just to make themselves feel better or to fit in with a certain clique.
In some fanfiction, it could be a new character introduced. For example, a transfer student who wants to establish dominance in the school and sees Peter as an easy target. This new bully might not know about Peter's Spider - Man side, but still bullies him because of his appearance or the fact that he seems a bit of a loner.
It could be a vengeful criminal that Spider - Man has put away in the past. This criminal has spent years in prison plotting his revenge and finally gets the chance when Peter is vulnerable. Maybe he manages to ambush Peter in an alleyway while he's on his way home from school or work.
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.
It could be a new villain, someone who has a personal vendetta against Peter Parker. Maybe a criminal whose operations Spider - Man has disrupted one too many times.
One possible plotline could be that Peter Parker, out of jealousy perhaps. Maybe he's jealous of the Avengers' popularity and starts to bully fans who idolize them. For example, he could use his spider - abilities to play pranks on fans at Avengers - related events, like stealing their autographed memorabilia or causing minor disruptions during meet - and - greets.
The main antagonist could be a scientist who wants to study the chibi. This scientist might be a bit of a madman, seeing the chibi as a unique specimen to experiment on and not caring about its well - being. He could try to capture the chibi and Peter has to stop him.
Sure, there is. You could also check some dedicated Spider - Man fanfiction communities. A good 'Peter Parker bullied' fanfiction might show different aspects of his personality. For example, it could show his kindness in the face of bullies or his growth as a person. The bullying situation can be a great tool for writers to develop his character further, and many fanfic writers have taken advantage of this.
Peter could get a dog. A loyal dog would be a great companion for him, following him around during his daily life and even being a sort of sidekick. It could sense danger and bark to alert Peter when something was wrong.
In such a fanfiction, Peter might lose his usual control. He could accidentally reveal his identity while drunk. For example, he might start talking about his Spider - Man adventures without realizing it.
Definitely Aunt May. She would be super worried about baby Peter and would do everything she could to take care of him. She might even call in some old friends or neighbors to help out.
One possible story could be that in the fanfiction, Flash's bullying of Peter Parker is a way to show his own insecurities. Flash might bully Peter because Peter is intelligent and seems to get more attention from the teachers, making Flash jealous. For example, Flash could constantly make fun of Peter's nerdy appearance and his love for science, but little does he know that Peter is actually Spider - Man.