In this fanfiction, Captain Britain might find himself in a world where the Civil War Accords have divided the superhero community. He could be on a journey to reunite the heroes. He starts by reaching out to heroes on both sides of the divide. He realizes that the Accords have created more problems than they solved, such as causing mistrust among heroes. He then takes it upon himself to find a middle ground that would satisfy both the authorities and the heroes, all while dealing with villains who are taking advantage of the chaos.
It could be a corrupt government official who is using the Civil War Accords as a means to gain more power. This person might be secretly manipulating the situation to get rid of heroes who oppose their regime, and Captain Britain would have to expose their true intentions.
One idea could be exploring how the fractured Avengers try to regroup on their own. For example, Captain America could be leading a small, underground team that focuses on helping those affected by the Sokovia Accords in a more discreet way. Meanwhile, Iron Man might be working with the government to create a new, more controlled version of the Avengers.
In the Captain America: Civil War comic, the superhero community is split when the government tries to impose regulations. This triggers a power struggle and tests the bonds between the heroes. There are lots of action-packed moments and emotional turmoil.
To accurately portray the characters' emotional states, study their pre - Civil War personalities. For example, Steve Rogers is likely to be feeling a sense of loss and determination. He lost his friends in the Avengers and is determined to keep fighting for what he believes is right. Show his internal struggle through his actions and dialogues.
Another plot could focus on individual characters' struggles post - Civil War. Like how Tony Stark tries to make amends with those he fought against while still dealing with his own guilt. Maybe he starts a project to help the victims of the Sokovia incident which was a big part of the rift between the Avengers.
The plot mainly focuses on the conflict between Captain America and Iron Man. It's about the Superhuman Registration Act. Some heroes support it, believing in regulation, like Iron Man. But Captain America opposes it as he fears it'll limit heroes' freedom and might lead to misuse of power.
The Captain America Civil War story's main plot revolves around the Avengers being forced to take sides regarding the Sokovia Accords. Captain America is worried about the loss of freedom and the potential for misuse of power by those in control of the accords. Iron Man, having seen the destruction they can cause without regulation, is for it. Their conflict escalates as new characters get involved. For example, Bucky is also a key factor as his past actions are used against him. The story is full of action, drama, and moral dilemmas that make the audience think about who is right and who is wrong in this superhero world.
One idea could be an OC who is a scientist caught in the middle. They could be working on a project that both sides think will give them an edge. For example, the OC might be developing a new type of energy source that could power super - weapons. Another plot could involve an OC with the power to manipulate emotions. They try to use their power to calm the situation between the two factions but end up getting caught in the crossfire. A third idea is an OC who is a journalist trying to expose the real reasons behind the civil war, which are more complex than just the superhero registration act.
One interesting development could be the rebuilding of relationships. For example, Tony Stark might try to reconcile with Steve Rogers in some fanfictions. After such a huge rift, seeing them slowly come to terms with each other again can be really engaging.
In some fanfictions, Wanda is portrayed as a very powerful but also a very conflicted character. She's constantly worried about the consequences of her powers, especially after the events in previous movies.