Naruto might be really confused by the Bride of Chucky at first. He's used to dealing with ninja and other normal threats in his world. The Bride of Chucky, on the other hand, would see Naruto as a potential obstacle or a target. They could start off as enemies, with Naruto trying to protect his village from her.
In the fanfic, Kakashi could be the one who quickly figures out that the Bride of Chucky is a major threat. He would start devising plans to stop her. The Bride of Chucky, being cunning, might try to play mind games with Kakashi. Naruto would learn from Kakashi's approach and join in the efforts to keep the Bride of Chucky in check, leading to a series of strategic interactions between them.
Naruto would probably be very curious about the mermaids. He might try to befriend them immediately. His friendly and outgoing nature would make him eager to learn about their culture and abilities. For example, he would be amazed at how mermaids can swim so gracefully and control water in ways he's never seen before.
The more powerful characters like Naruto and Dracula could have a more complex relationship. Dracula has his own set of rules and values in his hotel world. Naruto, with his strong sense of justice, might not always agree with Dracula's ways. However, they could also find common ground in protecting their respective worlds. Maybe there's a greater threat that forces them to work together, and during that time, they learn to respect each other's differences and powers.
In a 'naruto gotham fanfic', Catwoman could be intrigued by Naruto's agility and his different approach to getting around. She might playfully challenge him to a race across the rooftops of Gotham. Meanwhile, Naruto would be trying to understand the complex web of relationships between the heroes and villains in Gotham and would be constantly making missteps due to his lack of knowledge of the city's ways.
Naruto would probably be really friendly and curious. He'd be asking a lot of questions about the different species in Highschool DxD. He might try to make friends with Issei right away, seeing his determination. Sasuke, on the other hand, would be more aloof and might initially see the devils and angels as potential threats. The female characters from Naruto like Sakura would be interested in the female characters in Highschool DxD, comparing their skills and abilities.
Sasuke would probably be very intrigued by modern technology. He might study how things like computers and smartphones work. Naruto, on the other hand, would be more interested in the food. He'd go around trying all kinds of new dishes.
Naruto would be really energetic and curious about Austin and Ally's world. He might constantly ask questions about how the music industry works. Austin and Ally would be initially shocked by Naruto's strange appearance and abilities but would quickly become friends. Ally could help Naruto with his reading and writing skills if needed, while Austin could introduce Naruto to cool modern gadgets. Naruto would, in turn, show them some cool ninja tricks like how to walk on walls.
The plot could be that the Bride of Chucky is after some powerful jutsu in the Naruto world. She teams up with some of the villains there. Naruto and his friends initially don't understand her powers. As the story progresses, they learn more about her and come up with a plan to defeat her and send her back to her own world.
Naruto would probably be very friendly and open with the good characters. For example, he would likely be excited to meet Twilight Sparkle and would share his stories of his own world with her. He might be a bit cautious around Nightmare Moon at first, but once he realizes she's a threat, he would be very confrontational.
In a fanfiction, Naruto would likely be very curious about the Thundermans' superpowers. He might constantly ask them how they got their powers and if they could teach him. The Thundermans, on the other hand, would be fascinated by Naruto's ninja way. For example, Phoebe might admire Naruto's determination and sense of justice. They could start by being a bit wary of each other, but as they get to know one another, they would start to work together. Naruto could show them some of his cool ninja tricks, like walking on water, and the Thundermans could show Naruto how to use modern gadgets.
Naruto would probably be very friendly and eager to make new friends in Riverdale. He might be a bit confused by some of the high - school drama but would try to stay positive. He could bond with Archie over their love for adventure and helping others. Betty would likely be intrigued by Naruto's unique abilities and his different way of looking at things. Jughead might be a bit more skeptical at first but would eventually come around as he sees Naruto's good heart.