Well, when looking for this kind of fanfiction, keep in mind that the quality can vary greatly. Some might focus more on the relationship building up to the marriage, while others might jump right into the married life. You could also try reaching out to other fans of the characters directly, perhaps in fan forums. They might be able to give you more targeted suggestions based on their own reading experiences.
One way to find such a fanfiction is to join relevant fandom groups on social media. There are often discussions about different fanfictions, and someone might be able to point you towards a story where Peter Parker and Cheshire get married. Also, check out Tumblr, as there are many fanfic enthusiasts there who might have come across or even written such a story.
I'm not sure of a specific fanfiction on this, but you could start by looking on popular fanfiction platforms like Archive of Our Own. Just search for 'Peter Parker x Cheshire married' and you might find some great reads.
One great Peter Parker x Vixen married fanfiction is 'A New Beginning'. It beautifully portrays their life after getting married, dealing with the challenges of having a superhero for a husband and Vixen's own powers. The author does an amazing job of showing their relationship dynamics.
There are some really interesting fanfictions on this topic. One great one is 'The Unlikely Union' which explores how their two very different worlds collide and they fall in love and get married. It delves deep into their personalities and how they adapt to each other's quirks.
One great fanfiction could be 'Parker and Zatanna's Union'. It delves into how their two very different worlds, Peter's from the more scientific superhero side and Zatanna's magical realm, come together in marriage. It shows how they handle the challenges like hiding their identities from the public and also from their own superhero communities at times.
Another possibility is Peter Parker marrying Catwoman. This could be an interesting take as Catwoman is often a morally grey character. Peter could try to bring out the good in her. Maybe in this fanfiction, they meet during a heist where Peter is trying to stop the bad guys and Catwoman is also involved. Their relationship could start as a rivalry and then turn into love.
One great fanfiction could be where Peter Parker finally decides to propose to Mary Jane in a very Spider - Man - style way. Maybe he swings by her window and has a ring made of some sort of special web material. In the story, they could face challenges like Peter's double life as Spider - Man almost ruining their wedding plans. But in the end, they overcome it all and have a beautiful wedding with all their friends and family, including the Avengers (if we're in a crossover - type fanfic).
One possible fanfiction could be where Peter Parker and Spider - Woman have to keep their relationship a secret from the public at first. They might face challenges like dealing with super - villain threats while also planning their wedding. Maybe Peter has to balance his normal life, his Spider - Man duties, and his relationship with Spider - Woman all at the same time. In the end, they could have a beautiful rooftop wedding in New York City, with all their superhero friends in attendance.
One possible fanfiction could be where Peter Parker finally reveals his true identity to Liz Allen. After a series of adventures and growing closer, they decide to tie the knot. Their wedding could be a small, intimate affair with their closest friends and family, including Ned and Aunt May. Peter might worry about protecting Liz from his superhero life, but she assures him that she's in it for the long haul.
It could be really interesting. Maybe it would show how Peter's superhero life affects their married life. For example, he might have to rush off in the middle of a dinner date to stop a crime.
There's a fanfic called 'Parker - Storm Alliance'. In it, their marriage is more of a strategic move to combine the powers of the Fantastic Four and Spider - Man against a common enemy. It shows how they grow to love each other over time.
One great fanfiction could be 'The Union of Two Worlds'. In this story, it beautifully weaves the two different universes of Peter Parker and Selena Kyle together. It starts with an accidental encounter between them in a multiverse - type situation. As they get to know each other, their relationship develops organically. Their shared values of justice and protecting the innocent bring them closer. Eventually, they decide to get married, and the story details their wedding and the challenges they face as a newlywed couple from different backgrounds.