Well, there could be a fanfiction where Naruto meets Mary Jane during one of his travels outside of the ninja world. Mary Jane, being from a world with different technology and culture, could introduce Naruto to new things like modern music or photography. Naruto, in turn, could show her some of his ninja techniques, like the Shadow Clone Jutsu.
A possible Naruto and Mary Jane fanfiction could revolve around a shared mission. Maybe there's a threat that affects both their worlds, and they have to team up. Mary Jane could use her acrobatic skills, which she has from her life in her own world, to assist Naruto in combat. And Naruto could use his chakra to protect Mary Jane from the more dangerous attacks of the enemies.
Some fanfictions might focus on a romantic relationship between Naruto and Mary Jane. In this case, it would explore how two characters from such different worlds could fall in love. It could show Naruto introducing Mary Jane to ramen and she introducing him to things like city life in her world.
One great story could be where Peter and Mary Jane's kiss is a moment of reconnection after a long separation. Maybe Peter has been away on a dangerous mission and when he returns, their kiss is filled with all the pent - up emotions of longing and love.
One interesting story could be where they face a new super - villain together. Mary Jane uses her wits to outsmart the villain's minions while Spiderman battles the main baddie. In the end, their love for each other gives them extra strength to save the city.
One interesting Naruto Mary fanfiction could be the one where Mary is a new ninja in the village and she teams up with Naruto on a special mission. They face many challenges together and Mary's unique skills help them succeed.
One idea could be exploring how Peter Parker deals with the new responsibility while still being Spiderman. He might have to balance protecting the city and taking care of his pregnant wife. Another could be Mary Jane's own journey during pregnancy, like her concerns about bringing a child into a world full of danger.
Another possible story is a time - travel based one. What if Mary Jane Watson is sent back in time and meets a younger Norman Osborn before he turns into the Green Goblin? She could try to prevent him from making the choices that lead him down the dark path. This would create a complex dynamic as she has to navigate the past world and also deal with a Norman who is not yet the villain she knows from her own time.
One idea could be Mary Jane discovers Spider - Girl's secret identity by accident and they team up to take on a new villain in town. Maybe a villain who can manipulate emotions, and Mary Jane uses her acting skills to help Spider - Girl deceive the villain.
One interesting scenario could be Spider Man using his web - slinging skills in a really creative way to rescue Mary Jane from a collapsing building. He might swing in at the last moment and carry her to safety while debris falls all around them.
One popular story could be about the black cat and Mary Jane having an adventure in a spooky forest. The black cat might lead Mary Jane to a hidden place filled with magical creatures.
One great Spiderman and Mary Jane fanfiction is 'A Day in the Life'. It beautifully portrays their relationship with a focus on Mary Jane's perspective as she waits for Peter to return from a fight. Another one could be 'Love in the City' which shows their daily life in New York City, dealing with both normal and super - powered problems. And 'Under the Stars' is a fanfic that takes them on a romantic adventure away from the chaos of the city.