In the Pokemon Sword, creating the best team is all about strategy. You might want to consider the abilities of each Pokemon. Some Pokemon have abilities that can change the flow of battle. For example, Dragapult has an ability that makes it very difficult to hit. When it comes to team building, also look at the coverage of moves. A Pokemon like Hatterene, a psychic - fairy type, can learn a variety of moves that can hit different types of Pokemon, which is really useful for a well - rounded team.
Another jutsu they might learn is the Summoning Jutsu. Naruto has a strong connection with the toads. He could teach the genin how to form the necessary hand seals and make a contract with a suitable summon. This would give the genin an extra edge in battles, being able to call upon a powerful ally.
A plot could involve the Spider - Man team getting stranded in an alternate dimension. They would have to find a way to get back home while also dealing with the unique challenges and threats of that dimension. This could include new villains, different versions of themselves, and strange new powers.
A 'Solar - Flare Rasengan'. Naruto could combine his wind - style chakra with some kind of solar - based energy he discovers. This jutsu would be like a super - charged Rasengan that emits a blinding light as well as powerful wind - based damage.
There could be a jutsu that allows for instant teleportation across long distances. This jutsu might be a new discovery in the fanfiction world, perhaps created by a character who has been experimenting with space - time ninjutsu. They might use it to quickly get in and out of battles or reach far - off places in a blink.
Miles Morales could be a great addition. He has his own unique set of powers and a different perspective compared to Peter Parker. His inclusion could bring new energy and storylines to the team.
It could be a new form of Rasengan. Maybe Naruto discovers a way to combine different elements with the Rasengan more effectively, like adding lightning to it for a more powerful and faster attack.
There's also the 'Inferno Storm Jutsu' in some fanfictions. It creates a large - scale storm made entirely of fire. The fire in this storm has different intensities, with the center being the hottest and most destructive. It can cover a large area, making it a great offensive move against groups of enemies.
Maybe Sasuke. Although they are rivals, they also have a deep bond. Sasuke might have come across a unique jutsu during his travels and decide to teach it to Naruto so that they can both become stronger and better protect their village.
It could be Naruto himself who discovers and uses the Katon Hijingakure no Jutsu in the fanfiction. Since he's always exploring new jutsus and pushing his limits.