Perhaps in this fanfic, Naruto would be confused by the concept of the Avatar at first. But as he gets to know more about it, he realizes the similarities between his world and the Avatar world in terms of protecting people. He might also have some interesting interactions with the different tribes in the Avatar world, like the Fire Nation. And who knows, he could even find a way to use chakra to enhance bending abilities.
A 'naruto meets kabuto fanfic' could start with Naruto sensing an unusual chakra signature which turns out to be Kabuto. Naruto would be ready for a fight, but Kabuto might hold up his hands in surrender. They could then have a conversation where Kabuto reveals some secrets about the past, like some hidden experiments of Orochimaru that could still pose a danger. Naruto might then decide to keep Kabuto under watch or try to convince him to use his knowledge for good.
Well, in this fanfic, they could also have an adventure together outside the village. They might encounter a powerful enemy that requires both of their skills to defeat. Naruto's brute strength and Tsunade's precise and powerful attacks could combine to make a great team during the fight. And along the way, they could bond more like a master - student relationship.
In a 'Naruto meets aliens' fanfic, Naruto might use his ninja skills to fight off the aliens. He could use his Shadow Clone Jutsu to confuse them and then strike with his Rasengan.
Well, in such a fanfic, there could be a training session where Minato teaches Naruto some of his signature jutsu. This would be a great opportunity for Naruto to learn more about his family's ninja techniques and heritage. It could also be a chance for Minato to see how strong his son has become.
Well, it could be that Naruto and Nagato initially engage in a fight as they have different ideologies. But then, as they talk more, they might find common ground. Maybe Naruto tells Nagato about his dreams for peace in the ninja world, which makes Nagato re - evaluate his actions. And Nagato could also share his past with Naruto, explaining why he came to his current beliefs.
In this fanfiction, they could go on an adventure together. Jinora is a very spiritual person, and Aang was also deeply connected to the spiritual world. They could explore some ancient spiritual sites. For example, they might visit the ruins of an old air temple that Aang used to know but Jinora has only heard about in stories. There, Aang could share his memories of the place, and Jinora could gain a deeper understanding of airbender history.
One possibility is that Naruto's dark side could be amplified by the dark spirits or forces in the Avatar world. He might start to use his powers for personal gain rather than for the good of others. For instance, he could use his ability to manipulate chakra to steal bending powers from the benders.
In the 'naruto meets killer bee fanfic', they might have an epic battle at first. Naruto could be eager to prove himself against Killer Bee. Then, they could end up realizing they have a common enemy and team up.
Well, in a fanfic where Juubi Naruto meets Hera, there could be a lot of things that might occur. Naruto, with his immense power from the Juubi, might initially be seen as a threat by Hera. But then, they could start to understand each other's motives. Maybe Naruto's strong sense of justice would appeal to Hera, and they could end up teaming up against a common enemy. It could be an exciting adventure with Naruto using his unique jutsu and Hera her divine powers.
Perhaps Naruto would find ancient Uzumaki artifacts in the fanfic. These artifacts could have powerful abilities. He might have to face off against enemies who also want these artifacts for their own evil purposes. And through his interactions with the Uzumaki clan, he could gain new friends and allies who would stand by him in future battles.