Natasha would likely become more maternal. She'd start to show a softer side that she usually hides. For example, she might be more patient with Peter when he makes mistakes during training, which is different from her normal no - nonsense attitude.
One common theme is mentorship. Natasha, with her wealth of experience, often takes on a mentoring role for Peter. For example, she might teach him about stealth or how to better handle dangerous situations. Another theme is friendship. They come from different backgrounds, but through their shared experiences as superheroes, they form a strong bond of friendship. It's about two very different characters finding common ground.
One great Peter Parker and Natasha Romanoff fanfiction is 'The Unlikely Alliance'. In this story, Peter's spidey - sense and Natasha's spy skills come together in a really interesting way. They team up to take on a new threat in New York City that neither of them could handle alone. The author does a great job of writing their interactions, showing Peter's youthful exuberance and Natasha's more experienced and guarded nature.
One interesting plotline could be a mentor - mentee relationship. Natasha, with her vast experience, could be mentoring Peter in the ways of espionage and more covert superhero work. This would involve training sessions where she teaches him how to gather intelligence and be more stealthy. Another plotline could be a story where they are both on a mission to save a group of hostages. They have to rely on each other's skills to get through various obstacles and enemies.
There are several great fanfiction platforms where you can find non - lemon Peter Parker and Natasha Romanoff stories. Archive of Our Own (AO3) is a popular one. You can search for tags like 'Peter Parker & Natasha Romanoff' and exclude any inappropriate or lemon - related tags. Fanfiction.net is also a good place to look. Just be sure to read the summaries carefully to avoid any unwanted content.
Well, perhaps in the fanfiction, Natasha discovers Peter during one of her undercover missions in Queens. She realizes he's a brilliant but troubled kid with great power. So, she decides to adopt him. Then, she might introduce him to the wider world of international superhero relations. Peter would get to meet other heroes through Natasha's connections, and together they could go on missions that require both Peter's spidey - sense and Natasha's combat skills.
Peter might be more reserved and calculating like Natasha. Instead of his usual impulsive self as Spider - Man, he would think things through more carefully. His sense of humor might also be a bit darker, influenced by Natasha's past and her own brand of dry humor.
One common theme is mentorship. Natasha could be seen as a mentor to Peter, guiding him in the ways of the superhero world. Another theme is family formation. For example, they might form an unexpected family unit, like Natasha becoming a mother - figure to Peter. Also, the theme of protecting each other often shows up, as they both have a strong sense of justice and would go to great lengths to keep each other safe.
One interesting plot point could be how they balance their superhero lives with their married life. For example, Peter might be worried about keeping Natasha safe from his enemies, and Natasha could be teaching Peter some of her more stealthy and espionage - related skills.