There's a 'Peter works alone fanfiction' that focuses on his internal thoughts while he's alone, doing a project. It gives deep insights into his character. In this fic, Peter faces various challenges all by himself and overcomes them in really creative ways. It's a great read for those who want to understand the character better on his own terms.
In some 'peter is alone fanfiction', he could be alone in a strange new place. For instance, he's transported to a different dimension where he doesn't know anyone. He has to adapt, survive, and maybe find a way back home all by himself. This kind of plot can explore his character growth, his resourcefulness, and how he deals with the isolation in a completely unfamiliar environment.
Perhaps Peter is alone in a forest, away from the city. He's there to find some peace and quiet, to get away from the chaos of New York. While he's alone, he reflects on his powers and how they've both blessed and cursed him. He might even start to train in new ways, using the seclusion of the forest to his advantage.
One common theme is self - discovery. Since Peter is alone, he often has to figure out his own strengths and weaknesses. Another is sacrifice. He might have to give up certain things to uphold his role as a hero.
There is indeed some. Some fanfiction might focus on Peter's internal struggles as a lone hero, like how he copes with isolation while still trying to do the right thing. It could also explore his relationships in a new light, given his solitary nature in these stories.
Peter might have an internal monologue about his loneliness. For example, he could be sitting in his room, staring at the ceiling, and thinking about how he can't really share his true self with anyone. He misses having a normal life where he doesn't have to constantly hide his identity.
Obviously, Peter is the main character. There could also be his neighbors who might play a role. For example, an old lady next door who gives him advice or a young boy who is curious about Peter's solitary life.
Maybe the Vulture could make a comeback. In this fanfiction, he might be out of prison and looking for revenge on Peter. Or it could be a new villain that has heard about the young Spider - Man patrolling alone and sees it as an opportunity to take him down. And of course, there's always the possibility of Aunt May finding out more about his solo patrols and getting worried.
Well, in this kind of fanfiction, Peter is likely portrayed as a lone hero. He might be facing all sorts of challenges on his own while fighting crime. Maybe he doesn't trust the authorities or his usual allies for some reason, so he decides to take matters into his own hands. It could be a really interesting take on the character, showing his independent and determined side.