One plot idea could be that Naruto has to enter a dangerous, cursed forest to save his friends who were kidnapped by a powerful dark ninja. He uses his new, untested jutsu to fight off the forest's deadly creatures and the dark ninja's minions. Another could be Naruto traveling to a different dimension where his friends are held captive by an otherworldly being, and he has to figure out the rules of this new world to rescue them.
One plot idea could be that Hinata is captured by a powerful enemy during a mission. Naruto, using his newfound Sage Mode abilities, tracks her down. He battles through hordes of minions, and when he finally reaches Hinata, he has an epic showdown with the main villain to save her. Another could be in a post - war scenario where Hinata is in danger from a hidden threat within the village, and Naruto, with his status as a hero, uncovers the plot and saves her just in time.
One idea could be that Naruto discovers a powerful enemy has a plan to kidnap Ino and Hinata to use them as leverage against Konoha. Naruto uses his new Sage Mode abilities to track them down and engages in an epic battle to save them. Another could be that they are trapped in a dangerous genjutsu, and Naruto has to enter their minds to break the illusion and free them.
One idea could be that Naruto has to face a powerful new enemy who has kidnapped Sakura's team. Naruto uses his new and improved Rasengan techniques to fight through hordes of minions and rescue them. Another could be that the team is trapped in a genjutsu world created by an evil shinobi, and Naruto, with his strong will, breaks the genjutsu and saves them.
Maybe Itachi is on a secret mission outside of Konoha and he saves Naruto from a group of rogue ninjas. Naruto, being Naruto, is immediately drawn to Itachi's strength and kindness. They start to train together in secret. As they train, Naruto discovers Itachi's past and the burden he carries. This leads to Naruto vowing to help Itachi find a way to clear his name in Konoha and they become close friends in the process.
One idea could be that Naruto and Kurama have a day - out in the Hidden Leaf Village. They visit all the places Naruto used to go as a kid, like Ichiraku Ramen, and Kurama makes funny comments about human food. Another could be that they team up to prank the other villagers in a harmless way, just for fun.
One plot idea could be Naruto discovers a hidden diary of his mother that reveals secrets about their clan. Another could be that his mother's spirit appears to guide him during a difficult mission. For example, Naruto is facing an enemy with a strange and powerful jutsu he can't figure out. His mother's spirit then gives him hints on how to counter it by using a long - forgotten Uzumaki technique.
Maybe there's a plot where they all get trapped in a genjutsu that makes them relive their worst memories, but they help each other break free. They realize just how much they mean to one another as they support and comfort each other during this difficult time. This could strengthen their bond even more and lead to new adventures with a stronger friendship at the core.
One idea could be that the villain has a change of heart after realizing Batman's true purpose in protecting Gotham. Maybe the villain has a personal experience that makes him see Batman in a new light. For example, his family is saved by Batman's actions indirectly, so he decides to return the favor when Batman is in a really tough situation.
One idea could be that Nightwing is captured by a powerful new villain in Gotham. Batman has to use all his detective skills to find Nightwing's location. Then, in a intense showdown, he battles the villain's minions and finally rescues Nightwing. Maybe Nightwing was being held in an abandoned warehouse on the outskirts of the city.
Well, perhaps Arrow is poisoned by a rare toxin that only Batman has the resources to find an antidote for. Batman races against time, using his network in the criminal underworld to track down the ingredients for the antidote. Meanwhile, he also has to fend off the villain's minions who are trying to stop him from saving Arrow. In the end, he manages to save Arrow just in the nick of time.