In a 'Naruto meets Konan' fanfiction, there could be a time - travel plot. Naruto somehow gets sent back in time and meets a younger Konan. He tries to prevent some of the tragedies that happened in her life, like the death of Yahiko. This changes the future and creates a whole new dynamic between Konoha and Amegakure.
In a 'Naruto meets Konan' fanfiction, they might start as enemies. Naruto, with his talk - no - jutsu, could try to persuade Konan to change her ways. Maybe they end up teaming up against a common foe like Pain. Konan's origami - like jutsu and Naruto's shadow clones could make for some really cool battle scenes.
A potential storyline could be that Gine saves Goku from a powerful enemy. Since she is his mother, she has a strong instinct to protect him. Another could be that Goku and Gine team up to fight against Frieza or other villains who pose a threat to the universe.
One interesting storyline could be Naruto and Konan teaming up to face a new, powerful enemy that neither of their villages has encountered before. They have to combine their unique skills, like Naruto's Rasengan and Konan's paper techniques, to defeat the foe.
A potential storyline could be Nightwing joining the Justice League on a trial basis. He has to prove himself to the more established members. This could involve a series of missions where he showcases his skills in detective work, combat, and teamwork. Another storyline could be Nightwing being wrongly accused of something by the Justice League, and he has to clear his name while also dealing with the threat of a common enemy.
One potential storyline could be a race against time. A powerful alien artifact has landed in their city and both Spiderman and Shadow want to get to it first. Spiderman wants to keep it safe from falling into the wrong hands, while Shadow believes it could be the key to achieving his own goals. Along the way, they face various obstacles and start to respect each other's abilities.
Another storyline could involve Nico being on a quest in his own world, but it somehow intersects with Gotham. For instance, a powerful magical item has been stolen and ends up in Gotham. Nico follows it there and meets Batman. At first, they don't see eye to eye as they have different methods. But as they face challenges together, such as fighting off the villains who also want the item, they start to understand and trust each other more. This could lead to a long - term friendship or at least an alliance where they help each other out in future situations.
One storyline could be that they are brought together by a time - traveling device. Maybe an enemy is using time travel to change history and they have to stop it. Spider - Man, Bucky, and Steven are all from different eras or backgrounds, so they would have to work together to figure out how to fix the timeline.
A potential storyline could be a joint mission. The Citadel Council and the UNSC team up to face a common threat, like a new powerful alien race. During the mission, they learn to understand and respect each other's capabilities.
Perhaps there could be a storyline where Naruto and Anko enter a local tournament in Konoha. They would train hard together for it and during the process, their bond would grow stronger. They might face some tough opponents in the tournament, and their combined skills would help them progress through the rounds.
Another potential storyline is a time - travel based one. Kara somehow travels back in time to Naruto's era. She has to keep her identity a secret while also trying to find a way back home. In the process, she befriends Naruto and helps him in some of his battles, using her superpowers in a discreet way. Naruto, in turn, helps her adapt to his world's way of life.