Well, it's quite possible. Fanfiction writers love to blend different universes and characters. A 'Naruto is Magneto' fanfiction could explore how Naruto, with Magneto - like powers, would change the Naruto universe. He could use magnetic abilities in battles, perhaps controlling weapons in a new way or even interacting with the natural elements in the Naruto world differently. To find such a fanfiction, start by looking through the relevant categories on major fanfic sites.
It could be amazing. Naruto might use Magneto's power to control metal weapons in the shinobi world more effectively. He could also attract or repel opponents, adding a new dimension to his combat skills.
Naruto himself could be a great character to pair with Magneto. Their different powers and personalities would create an interesting dynamic. Naruto's positive and determined attitude could contrast with Magneto's more serious and sometimes harsh nature. Also, they could learn from each other's combat styles and strategies.
Some Magneto Naruto fanfictions might explore the idea of Magneto training Naruto in a different way. Instead of the traditional ninja training, Magneto could introduce concepts of using the environment's magnetic fields to one's advantage. For example, Naruto could learn to sense and manipulate the magnetic forces in the earth to perform new types of jutsu that are a blend of his chakra and Magneto's knowledge of magnetism.
In this fanfiction, Naruto and Magneto are the key players. Naruto is the fish - out - of - water character, being in a world full of mutants. Magneto is the one in a position of power, trying to make Naruto obey him. There could also be side characters like Wolverine. Wolverine might be suspicious of Naruto's presence and Magneto's motives. He could either try to help Naruto break free or be a hindrance, depending on how the story is written.
Well, one possibility could be that Naruto is somehow transported to the X - Men universe where Magneto exists. Magneto, being a powerful mutant with control over magnetism, might force Naruto to obey him using his powers. Naruto, with his own set of skills and determination, could be in a constant struggle between following Magneto's orders and trying to find a way back to his own world. He might also learn some new abilities or ways of thinking from Magneto's methods of leadership and power - wielding.
The story could also explore how Naruto's existing abilities interact with Magneto's powers. His chakra control might enhance his ability to manipulate magnetic fields. He could use his chakra to boost the range or strength of his magnetic powers. Maybe he could even combine his shadow clone jutsu with his new powers. The clones could each use the magnetic powers in different ways, like one clone creating a magnetic diversion while the other attacks with magnetically - enhanced weapons.
Well, it could be an original character who was hidden away from Magneto for some reason. Maybe a human - mutant hybrid that Magneto didn't know about. This son could have powers that are not fully developed at first, and through his encounter with Magneto, he starts to discover and master his abilities. He could be a character who was raised by a family that was against Magneto's ideas, so there's a lot of conflict when they meet.