One interesting Young Justice love story fanfiction could be about Robin and Zatanna. Maybe they go on a mission together and in the process, they start to realize their feelings for each other. They face danger side by side and that adrenaline - filled experience makes them see each other in a new light.
A third interesting storyline might involve a secret alliance between a member of the Justice League and a villain that the Young Justice team discovers. This discovery then sets off a chain of events where the Young Justice team has to decide whether to trust the rest of the Justice League and how to handle this new information without causing a complete breakdown in the superhero community.
Perhaps Killer Frost has a time - traveling love story. She meets someone from the past or future during a time - related mission. Their love has to endure the challenges of time differences, not knowing if they can have a future together because of the instability of time travel, and dealing with the reactions of her present - day friends.
One interesting story could be a crossover where the Young Justice team and the Young Avengers have to team up to face a common enemy from another dimension. They start off with misunderstandings due to their different methods but eventually learn to work together.
One idea could be a crossover where the Young Justice team has to team up with the Justice League to face an interdimensional threat. Maybe a powerful villain from another dimension is trying to invade Earth and the combined skills and powers of both groups are needed to stop it.
Maybe a story where some of the younger members of the Young Justice team are frustrated with the Justice League's methods and decide to take on a mission on their own, but end up getting in over their heads and have to call in the League for help. This could lead to a lot of character development and some interesting dynamics between the two groups.
One idea could be a crossover where the Young Justice team gets accidentally transported to the Avengers' universe. They could team up to fight a common enemy like Thanos who has somehow also gained control over some of Young Justice's villains. The different powers and personalities would create a lot of interesting dynamics.
In a particular funny fanfiction, Robin challenges the team to a 'who can be the most normal' contest. He tries to act like a regular teenager, which is really hard for him since he's so used to his vigilante life. He ends up doing things like trying to learn skateboarding and falling all over the place, while the other team members also have their own hilarious attempts at normalcy.
Some fanfictions in the Young Justice Redorn category might focus on the moral and ethical dilemmas that the characters face. Given the complex nature of the Young Justice universe, these dilemmas can be really engaging. For instance, a character might have to choose between following the orders of their superiors and doing what they believe is right. It could also explore how the characters adapt to new threats that are far more powerful or insidious than what they've faced before, adding a layer of tension and excitement to the story.
One interesting plot could be the characters facing a new and powerful villain that was not in the original series. For example, a time - traveling villain who is trying to change the past to gain ultimate power. This would force the young justice team to not only fight but also figure out how to prevent changes to the timeline.
One interesting Young Justice Superboy fanfiction could be about his struggle to fit in among the heroes. He has his own unique origin and powers, and a story could explore how he overcomes the feeling of being an outsider. Maybe he forms a special bond with another character like Miss Martian, and they help each other grow.