In certain 'guy vs naruto fanfiction', the guy could be a magic user from a world without ninjas. His magic might work in a completely different way compared to Naruto's chakra - based powers. For example, he could use elemental magic that is not the same as Naruto's use of the five elements. Their fight would be a clash of two different power systems. Also, the guy might have a different moral code that affects how he fights Naruto. He could be more ruthless or more cautious, depending on his background, which adds another layer of complexity to the story.
Well, sometimes in 'naruto vs dark naruto fanfiction', a cool plotline is when Dark Naruto has some new powers that Naruto has to figure out how to counter. For example, Dark Naruto might be able to control shadows in a way that Naruto has never seen before. Or perhaps Dark Naruto has allied himself with a powerful dark force from outside the ninja world. Naruto then has to not only battle his dark self but also this new threat.
One idea could be a crossover where Naruto characters end up in Quahog. Maybe Naruto and Peter Griffin become friends and Naruto tries to teach him some ninja moves. Another could be Stewie somehow getting his hands on Naruto's ninja tools and causing chaos in both their worlds.
Another concept could be a family guy character, like Peter, becoming a ninja in the Naruto world. He would struggle with the strict ninja training because of his lazy and gluttonous nature. But through his interactions with Naruto and the other ninjas, he could learn some valuable lessons about discipline and friendship. For example, he might start off as a joke but gradually earn the respect of the Konoha villagers.
Well, one interesting idea could be the combination of Naruto's ninja skills with the powers from another fictional universe. For example, if Naruto were to cross over with the Harry Potter universe, his chakra-based jutsu could interact in unique ways with magic. Maybe he could use his Shadow Clone Jutsu to confuse Death Eaters while wizards try to figure out how to counter it with spells.
One interesting scenario could be a fight in an alternate dimension where the rules of chakra are different. This would force both Naruto and Sasuke to adapt new strategies. Another could be a battle where they are forced to team up against a common enemy first before their duel, which would add a complex layer of emotions and dynamics.
In some 'minato vs naruto fanfiction', there could be a scenario where they battle in a different dimension. Minato uses his Flying Raijin to quickly move around and Naruto counters with his shadow clones and massive Rasengan attacks. Also, a scenario where they fight not as enemies but in a friendly spar to teach Naruto some secret family jutsu that only Minato knew would be really cool.
One interesting scenario could be Naruto having to face multiple Akatsuki members alone and using new, unexpected jutsu. For example, he might combine his Rasengan with Sage Mode in a unique way to counter their attacks.
One interesting scenario could be a battle in a neutral dimension where Gohan's Saiyan powers and Naruto's ninja techniques are put to the test. Gohan's super strength and ability to go Super Saiyan might be pitted against Naruto's shadow clone jutsu and Rasengan.
Some fanfictions might have a plot where Goku and Naruto are in a training - like fight. They exchange techniques and learn from each other. For example, Goku could teach Naruto about ki control, and Naruto could show Goku how to use chakra in a more strategic way. Their fight could be less about winning and more about mutual growth and respect for each other's abilities.
One interesting concept could be a power - level crossover. For example, how would Naruto's chakra - based powers stack up against the Saiyan power levels in DBZ. Maybe Naruto's ability to create multiple clones could be a strategic advantage against the brute force of DBZ characters.