Perhaps there could be a plotline where Jinx is actually a misunderstood character in the 'jinx meets the flash fanfiction'. The Flash tries to get to know her better and discovers that she has a troubled past that led her to her chaotic ways. He then tries to help her turn her life around while also dealing with the chaos she causes in the city.
One interesting plotline could be Jinx causing chaos in the Flash's city, and the Flash having to figure out how to stop her without using too much force. Maybe Jinx has stolen some important tech that could disrupt the city's power grid.
There could also be other characters involved. For instance, some of the Flash's friends or allies from his usual superhero team might make an appearance. They could either be helping the Flash deal with Jinx or getting caught in the crossfire of their encounters. Additionally, Jinx might have her own group of followers or partners in crime that could add more depth to the story.
Another plot might involve Jinx having a past connection with one of the Young Justice members. Maybe she knew one of them before she became a villain. This connection could lead to a lot of internal conflict within the team as they debate whether to trust her or not. It could also create an interesting character arc for Jinx as she tries to redeem herself in the eyes of the team.
Another plotline could involve a time - travel adventure in the Snowbarry fanfiction. Maybe Barry accidentally travels to a time when Caitlin is in a difficult situation, and he has to save her without disrupting the timeline too much. This could lead to some really emotional and action - packed scenes.
In some fanfictions, there could be a storyline where the Flash and Arrow are transported to an alternate dimension. In this new world, they have to find their way back home while also dealing with the threats in that dimension. It could involve them meeting alternate versions of themselves or their friends, which would be really cool to explore.
One interesting plotline could be the Flash and Arrow teaming up to face a common enemy that has powers beyond their usual foes. For example, a meta - human with the ability to manipulate time, which forces them to use their combined skills of speed and archery in creative ways.
One possible plotline could be Naruto traveling to a future where the Hidden Leaf Village has achieved a new level of technological advancement. He might be shocked to see how ninjutsu has been integrated with high - tech devices. Another could be a future where old enemies have formed new alliances and Naruto has to figure out how to deal with this changed political landscape.
One possible plotline could be Yelena initially being distrustful of the Avengers. Maybe she has been taught to view them as enemies, but as she gets to know them, she realizes they have similar goals. For example, she might find common ground with Natasha's former teammates in their fight against evil.
One interesting plotline could be Luigi and Daisy teaming up to solve a mystery in the Mushroom Kingdom. Maybe there's a strange disappearance of power - ups, and they use their unique skills to figure it out.
One interesting plotline could be Harry somehow traveling back in time to meet Grindelwald in his prime. This could lead to a battle of wits between them, with Harry trying to stop Grindelwald from starting some of his more heinous plans early. Another might be that Grindelwald, seeing Harry's power, tries to recruit him to his side, offering him power and knowledge that Harry has to resist.
One possible plotline could be that Caroline and Hope initially have a misunderstanding when they meet. Maybe Caroline misinterprets Hope's intentions, leading to some tension at first. Then as the story progresses, they discover they have common goals, like protecting their families or the supernatural community they belong to.