One possibility is that the girl's powers are causing chaos in the world. The Avengers find her as part of their mission to stop the destruction. At first, she might be scared of them or not trust them. But as the story progresses, she realizes that they are there to help. And in the end, she uses her powers for good, with the guidance of the Avengers, to save the world from a big threat.
Well, it could be about the Avengers recruiting the girl. They might see her powers as a great asset in their fight against evil. Maybe she has some sort of unique power like telekinesis or the ability to control nature. The story could focus on how she adjusts to being around the Avengers, learning from them and them learning from her too.
Her powers could either strengthen or disrupt the Avengers' dynamics. If her power is really strong, like being able to manipulate time, it might make some members feel insecure or jealous. On the other hand, if it's a power that complements the existing ones, like she can heal while others fight, it could bring them closer together.
In the fanfiction, it might be that the little girl is a key to unlocking some secrets of Hydra. The Avengers, in their quest to dismantle Hydra completely, stumble upon her. She could hold the knowledge of hidden Hydra bases or their future plans. So they take her in to figure out how to use this information against Hydra.
Percy could have his water - controlling powers from his original story. In the Avengers fanfiction, this could be really useful against fire - based villains or in situations where they need to manipulate water for various reasons, like putting out fires in a big city during an attack or using water to create barriers against enemies.
One possible power could be telepathy. A new hero with telepathic powers could read the minds of enemies, anticipate their moves, and also communicate silently with the other Avengers during missions. This would give the team a huge advantage in battles.
Maybe Naruto would have the power of cosmic energy projection. He could shoot out powerful blasts of energy that are a mix of his chakra and cosmic forces. This would be a great offensive weapon against the Avengers' enemies.
She might find herself in the middle of epic battles. She could team up with her favorite Avengers, like Iron Man or Captain America, and use her own unique skills to help save the day. Maybe she'd even develop superpowers in the fanfiction world.
The Avengers would likely be very protective of her at first. For example, Thor might use his strength to keep her safe from any immediate threats. Iron Man could use his technology to check if she has any tracking devices on her or if she's been poisoned by Hydra.
If the SI has the power of telepathy, it can greatly affect the Avengers' dynamics. They could read the minds of the Avengers, which might lead to some initial mistrust. However, if used properly, it could also enhance communication during battles. For example, they could quickly convey the enemy's plans to the rest of the team. Another example is if the SI has the power of flight and super speed. This could change the way the Avengers approach battles, as the SI could be used for quick reconnaissance or to quickly transport team members to different locations. It could also make some members a bit jealous at first, but over time, they would learn to utilize this new asset.
His powers could be enhanced in many ways. For instance, Iron Man could upgrade his ninja tools with advanced technology. This would make his shurikens and kunais more effective. Thor could teach him how to better channel energy, which might help Naruto with his chakra control. Captain America could train him in hand - to - hand combat, making Naruto's taijutsu even stronger. So overall, Naruto would have a combination of his original ninja powers and new skills from the Avengers.
The Avengers might be initially shocked. For example, Iron Man could start by using his technology to find ways to help Hawkeye communicate better within the team. He might create special devices for him.