A possible plot is that Spider Girl gets transported to an alternate dimension where the Avengers are different. She has to find a way back home while also helping this new version of the Avengers deal with a threat that she's familiar with from her own world. For example, maybe a version of Doctor Octopus is causing chaos there. She uses her wits and powers to not only survive but also to try and set things right in this strange new dimension.
Maybe Spider - Man discovers a new threat that the Avengers have overlooked. He then tries to convince them of the danger, facing skepticism at first but eventually winning them over with his tenacity and evidence. For example, he could find a hidden group of villains planning to use a new type of technology to take over the world.
One idea could be that Spider Girl has to face a new villain who has the power to manipulate time. This would put her in situations where she has to correct the changes made to the timeline. Another could be a story where she teams up with other superheroes from different dimensions to fight a common threat that endangers all of the multiverse.
One plot idea could be the Avengers recruiting Spider - Man to help with a new threat in the PS4 game's version of New York. Maybe a powerful villain from the Avengers' rogues gallery has teamed up with one of Spider - Man's foes.
One idea could be exploring what if Loki had an unexpected ally within the Avengers. Maybe a character who was initially on the heroes' side but got swayed by Loki's charm or promises.
Maybe in the fanfiction, Spider - Man discovers a secret connection between his powers and an ancient Asgardian artifact. The Avengers, especially Thor, would be intrigued. They then embark on a journey to figure out how this connection could either save or endanger the world. Spider - Man would have to balance his normal life and this new discovery with the Avengers.
One idea could be Spider - Man joining the Avengers on a mission to a far - off planet. He uses his agility and quick thinking to help the team out of tricky situations. Another could be a story where Spider - Man has to prove himself to the Avengers in a training exercise set up by Iron Man.
One plot idea could be that the Inhumans' city of Attilan is in danger and the Avengers are called in to help. The Inhumans are initially hesitant to accept their aid due to their differences, but they soon realize they need to work together. Another idea is a young Inhuman with a powerful but uncontrollable ability is found by the Avengers. They try to help the Inhuman learn to control it while also protecting them from those who would use their power for evil.
One plot idea could be that Spider Man and Spider Girl team up to face a new super - villain who has the ability to manipulate time. This would create a lot of interesting scenarios where they have to outwit the villain while also dealing with the chaos of time being altered. Another idea is a story where Spider Girl is from an alternate universe and she accidentally ends up in Spider Man's universe. They initially have some misunderstandings but then realize they can work together to protect both universes from a common threat.
One idea could be an imagine where a new superhero joins the Avengers. They have a unique power that the team initially struggles to understand but eventually learns to utilize effectively. For example, a hero with the power to manipulate time on a small scale, like being able to slow down time for a few seconds during a battle.
A more complex plot could involve the Flash's speed force interacting with the Infinity Stones. The Avengers might be trying to figure out how to use or contain the power of the speed force in relation to the Stones. This could lead to all kinds of conflicts and alliances within the story, as different characters have different ideas about how to handle such a powerful and unknown combination of forces.