In this fanfiction, the homecoming field trip could be to an old historical site. Peter starts having these strange visions related to the place. Liz notices his odd behavior and Allan just thinks he's being weird. As they explore more, they find a hidden room. Inside, there are clues to a mystery that has been long forgotten. They then decide to solve the mystery together, which leads to all kinds of adventures and self - discovery for each of them.
One idea could be that during the field trip, Peter discovers some strange anomaly. Liz is intrigued and Allan is a bit skeptical. They then get separated from the group while investigating it. Peter uses his skills (if he has special skills in your fanfic concept) to try and find a way back to safety while also protecting Liz and Allan.
The field trip could be to an art gallery for the homecoming event. Peter is not really into art but Liz is an art lover. Allan just wants to find a quiet corner to sit. However, as they walk around, Peter starts to see patterns in the paintings that he thinks might be some kind of code. Liz is initially dismissive but Allan is curious. They start to investigate and end up uncovering a mystery related to the artist and the gallery itself.
Well, perhaps on this field trip in the fanfiction, Peter stumbles upon a mystery related to the place they're visiting. It could be something like a series of strange symbols that he starts to decipher. Or, what if the field trip is to a scientific research facility and Peter accidentally gets exposed to some kind of experimental substance that gives him a temporary superpower? Also, Peter could meet a long - lost relative at the field trip destination who reveals a big family secret.
One common theme is the exploration of unrequited love. Often, in these fanfictions, either Peter has feelings for Liz that she doesn't fully return or vice versa. It adds a lot of drama to the story.
In many Peter and Liz fanfictions in the Spider - Man Homecoming universe, their relationship often takes on different twists. Some fanfictions might focus on the unspoken feelings they had in the movie that never fully developed. For example, a fanfiction could explore what would have happened if Liz had found out about Peter being Spider - Man earlier. Maybe she would have been more accepting and they could have fought crime together in a way.
Peter would likely be in awe of everything and constantly asking Tony questions. Tony, in his father - son role, would patiently answer, with a bit of his usual sarcastic charm. For example, if they see a new piece of tech, Peter would say 'Mr. Stark, how does this work?' and Tony would reply 'Kid, if I told you all my secrets, where would the fun be?'
In fanfiction, Peter's field trip could be a great setting for an identity reveal. Maybe he's a superhero in disguise and during the field trip, something unexpected happens that forces him to show his true self. For example, a danger might emerge that only his superhero identity can handle.
In Mary Jane fanfiction, Peter's field trip could be full of exciting adventures. Maybe he discovers some new scientific phenomenon during the trip that later ties into his superhero life. It could also be a chance for him to bond with his classmates, including Mary Jane, in a different setting than the usual school or city environment.
Peter Parker's field trips are always full of potential for interesting fanfiction. Maybe on this field trip, he could use his Spider - Man skills in a unique way. For example, if the field trip was to a science museum, he might notice something amiss that no one else does, like a hidden device that could be part of a villain's plan. He'd have to be careful not to expose his identity while still saving the day.
Peter, of course, is the main character. His classmates could also be important characters. Maybe there's a nerdy kid who helps Peter solve problems during the trip. The teacher in charge of the field trip is also likely to be a character. There could be a local guide at the field trip destination who has some interesting stories to tell.
One idea could be that during the field trip, Peter discovers a new type of technology that Stark Industries has been secretly working on. This technology could be related to his spider - powers in some way, like a device that enhances his web - shooting ability. Another plot could involve Peter getting separated from the group during the field trip and having to use his skills to find his way back while also facing some sort of danger or mystery within Stark Industries. Maybe he stumbles upon a hidden room full of old Iron Man suits that are malfunctioning, and he has to fix them to get out.