A cool plot might be that the Tailed Beasts in the Naruto world are being targeted by an unknown force from the Marvel universe. The Avengers, thinking it could lead to a greater threat to both universes, come to help. Naruto and the Avengers have to work together to protect the Tailed Beasts. Hulk could have an interesting interaction with the Tailed Beasts, perhaps learning from them how to better control his rage, while the ninjas are amazed by Thor's lightning powers and try to incorporate some of that into their own jutsu.
Well, perhaps there's a threat that can only be defeated by combining the chakra in the Naruto world with the superpowers of the Avengers. For example, Thor's lightning could combine with Sasuke's lightning - based attacks. And Captain America's leadership could inspire Naruto to lead his own team in a new way. They all start off not trusting each other much, but as they face challenges together, they learn to work as one.
The characters would interact in interesting ways. Naruto, being the energetic and friendly ninja, would probably be excited to meet the Avengers. He'd be in awe of Iron Man's high - tech suit and might ask him a million questions about how it works. Thor, on the other hand, might be intrigued by Naruto's connection to nature through his chakra. Captain America would likely admire Naruto's never - give - up attitude. And Naruto would probably try to get Hulk to calm down when he's angry by using his own experiences of dealing with inner demons.
Well, the plot could involve Naruto's incredible ninja skills combined with the superpowers of the Avengers. Maybe Naruto's shadow clones could be used in a unique way during a battle against a common enemy like Thanos. He could create countless clones to confuse the villains while the Avengers use their own powers. For example, Iron Man could blast away some foes while Captain America leads the strategic side of the fight. Naruto might also learn from the Avengers' teamwork and bring some new ideas back to his own world.
It could be amazing. Picture Naruto's ninjutsu skills combined with the Avengers' superpowers. Maybe Naruto could teach Hawkeye some new arrow - shooting techniques inspired by his shuriken skills. And Thor could show Naruto how to better control his chakra using the power of Mjolnir.
One interesting pairing could be Naruto and Thor. Naruto's exuberant personality and Thor's godly presence would make for an exciting duo. They both have strong leadership qualities. Another would be Sasuke and Black Widow. Sasuke's brooding nature and Black Widow's stealth and intelligence could create a great dynamic. They could learn from each other's combat and espionage skills.
One idea could be that Godzilla is drawn to the energy source of one of the Avengers' tech, like Stark's Arc Reactor. This causes chaos as Godzilla approaches the city where the Avengers are based. The Avengers initially see Godzilla as a threat and try to fight it. But then they realize that an even bigger alien force is using Godzilla's presence as a distraction. So, they have to find a way to communicate with Godzilla and work together to defeat the common enemy.
One idea could be that Nightwing is transported to the Avengers' universe through some sort of interdimensional rift. He then has to team up with the Avengers to fight a common enemy, like Thanos who has somehow acquired some of Batman's tech. Nightwing's acrobatic skills and detective abilities would be a great addition to the Avengers' power set.
Definitely Naruto and Iron Man. Naruto is this energetic, determined ninja, and Iron Man is this brilliant, sarcastic inventor. Their personalities are so different yet they could learn a lot from each other. Iron Man could be intrigued by Naruto's chakra system and try to replicate it in some way, while Naruto would be fascinated by all of Iron Man's high - tech gadgets.
I think Naruto and Hulk would be an interesting pair. Naruto's positive energy and his ability to befriend almost anyone could have an impact on Hulk. Maybe he could help Bruce Banner control the Hulk better. And Hulk's raw strength combined with Naruto's strategic thinking in battle could make them a formidable team.