There could be a very small number of 'Peter bullies Avengers fanfiction' out there. Fanfiction is a vast and diverse genre, and while the common tropes involve cooperation and hero - worship in relation to Peter and the Avengers, there may be some authors who have taken a different route for the sake of creativity or exploring different character dynamics. You could also try reaching out to fanfiction communities on social media and ask if anyone has come across such a story.
I'm not sure there are a lot of fanfictions specifically about 'Peter bullies Avengers'. Fanfiction usually focuses more on positive interactions or team - ups. However, you could try searching on major fanfiction platforms like Archive of Our Own (AO3) using those keywords and see if anything comes up.
Finding 'Peter bullies Avengers fanfiction' might be a bit of a challenge. Most fanfictions involving Peter and the Avengers tend to be about him joining them, learning from them, or having friendly adventures. But if it exists, it might be in some of the more niche corners of the fanfiction world. Maybe check some of the less - known fanfiction websites or forums where people might experiment with more unique concepts.