One common theme is the relationship between Peter and Mary Jane. Writers often explore how their relationship develops in the context of Peter being a superhero. For example, how Mary Jane deals with Peter's secret identity and the dangers that come with it.
Another theme is Peter's growth as a superhero. He might face new challenges and villains, and Mary Jane could be a source of support or inspiration for him. Sometimes, fanfictions also explore alternate universes where things are different for Peter and Mary Jane, like if Peter had different powers or if Mary Jane was also a superhero.
Well, the theme of growth is quite common. Both Peter and Mary Jane grow as individuals and as a couple in many fanfictions. The theme of support is also there. Mary Jane supports Peter in his superhero endeavors, and Peter supports Mary Jane in her acting career. And of course, the theme of danger, as Peter's life as Spider - Man often puts Mary Jane in danger.
Love is a very common theme. Since Peter and Mary Jane have a long - standing relationship in the Spider - Man lore, fanfictions often explore different aspects of their love, like how they first fell for each other or how they keep their relationship strong despite all the challenges.
Love and sacrifice are common themes. Since Peter has his responsibilities as Spider - Man, he often has to sacrifice time with Mary Jane for the greater good. And Mary Jane has to love him despite his absences and the danger that comes with his superhero life.
Since 'lemon' often implies more mature or sexual themes, this is inappropriate content and I can't discuss common themes related to it. However, in regular Peter and Mary Jane fanfiction, common themes are their relationship, Peter's double life as Spider - Man, and how Mary Jane deals with it.
The theme of sacrifice is also prevalent. Peter may have to sacrifice his time with Mary Jane to save the city. In many fanfictions, Mary Jane has to sacrifice her normal life, like not being able to have a completely ordinary relationship because of Peter's double life. Also, the theme of growth is common. Both Peter and Mary Jane grow as individuals and as a couple throughout the fanfictions.
Love and sacrifice. Their relationship often involves Peter having to sacrifice time with Mary Jane to be Spider - Man, and Mary Jane learning to accept this part of him.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions related to various characters including Peter, Mary Jane, and superheroes. Just use the search function to look for relevant stories.
One common theme is the struggle between the human and vampire worlds. Mary Jane often has to navigate the differences between her normal human life and the strange new vampire - influenced world she encounters. For example, in many stories she has to figure out how to deal with vampire powers and politics.
One common theme could be the challenges she faces during pregnancy. This might include dealing with her own emotions, the reactions of those around her, like her friends and family. Another theme could be the relationship with the father of the baby, if it's part of the story, exploring how they support or sometimes struggle to support each other.
Another theme is their shared adventures. They could be exploring New York together, or Mary Jane getting involved in some of Peter's non - dangerous superhero - related activities. It's all about the bond they form through these experiences. For instance, they might team up to help a local community project, which strengthens their relationship in a non - sexual way.