Probably not often. Marines are usually busy with their duties like maintaining order, fighting pirates, etc. They don't seem like the type to have a lot of time for reading fanfiction. But it's possible that some younger or more laid - back Marines might give it a try.
Well, it could be interesting. Marines in the One Piece world have strict rules and values. Reading fanfiction might expose them to different interpretations of their own characters. They could either find it amusing to see how fans view them or get annoyed if the fanfiction goes against their ideals.
The law is definitely not dead in One Piece. It exists in various forms and degrees, and its enforcement or violation drives many of the story arcs. The struggle against injustice and the search for true justice are ongoing themes related to the law within the manga.
Not at all. Law remains a significant character and has many ongoing plotlines associated with him. His presence continues to shape the events in the One Piece manga.
Some fanfiction also pairs Law with Kid. Given that they are both Supernovas and have a somewhat competitive relationship in the main story, in fanfiction, they could end up as reluctant allies or even friends. Their combined strength and different personalities can create interesting storylines.
Naruto could fit in by using his physical abilities. His superhuman strength, speed, and endurance, which he developed through his ninja training, would make him a formidable opponent in the One Piece world. He could easily take on weaker pirates or even some of the lower - level Marines.
Well, in some One Piece Law fanfiction, there are concepts about Law's devil fruit powers. Writers might come up with new and creative ways he can use the Ope - Ope no Mi. For example, not just for medical purposes or combat, but perhaps for some unique forms of transportation or even creating alternate dimensions within his Room ability.
In fanfiction, the relationship between Luffy and Law can be very interesting. They both are strong characters in One Piece. Luffy is known for his carefree and determined nature, while Law has his own cool and calculated style. Fanfiction often explores how they interact, like they might team up for some crazy adventures. Their different personalities can create some really fun and unexpected dynamics in these fictional stories.
Another theme is the exploration of their different powers and how they could combine or complement each other. This can lead to some really interesting action - packed scenes in the fanfictions. Like Law's Room ability and Kid's magnetic powers working together in a creative way.