A great young Batman fanfiction idea is when a group of young kids in Gotham idolize Batman and form their own little detective club. They start to notice some strange happenings in their neighborhood that seem related to a minor villain's scheme, and they try to solve it in their own amateurish but determined way, inspired by Batman's methods.
One interesting young Batman fanfiction could be about a young Robin starting his training under Batman. It might explore his initial fears and how he overcomes them with Batman's guidance.
There could be a fanfiction where a young fan of Batman somehow gets transported into the Gotham City of the comics. He then has to navigate the dangerous streets and maybe even help Batman in some small way. This would be a really exciting story as it combines the normal world with the dark and dangerous Gotham.
There might be a fanfiction that focuses on a time - travel plot within the 'Batman Young Justice' universe. Maybe the team gets sent back in time and has to work with a younger version of Batman to stop an enemy from changing the timeline. This could lead to some really interesting character interactions and revelations about Batman's past.
One interesting story could be about Robin's first solo mission under Batman's guidance. In this fanfiction, Robin has to solve a mystery in Gotham that seems related to an old enemy of Batman. He uses his unique skills and intelligence to piece together the clues. Another could focus on the relationship between Batman and Robin outside of crime - fighting, like how they train together and how Batman imparts his wisdom to Robin not just about fighting bad guys but also about life in general.
In some fanfictions, Batman adopts the Young Justice team after a major crisis. He then has to not only protect them from external threats but also help them deal with their internal traumas. This could lead to some really heart - warming moments as he slowly becomes a father figure to them, like when he stays up all night to comfort a member who had a nightmare about a past battle.
One interesting plotline could be Robin trying to prove himself to Batman in a more complex and dangerous mission within the fanfiction world. Maybe there's a new villain in Gotham that only Robin can stop, but Batman is hesitant to let him take the lead at first.
One idea could be that Batman has to train the Young Justice team in a special stealth mission. He could teach them his unique detective skills and how to use the shadows to their advantage. For example, Robin could learn some new moves directly from Batman in this crossover.
One interesting Batgirl and Batman fanfiction could be about their teamwork against a new supervillain in Gotham. Maybe a villain who has the power to manipulate time. Batgirl uses her quick thinking and acrobatic skills, while Batman uses his detective abilities to figure out the villain's weakness.
A great spiderman and batman fanfiction could be about their different ideologies clashing. Batman is all about the shadows and stealth, while Spider - Man is more of a friendly neighborhood hero. In the story, they debate on the best way to fight crime and in the end, they learn from each other and form a stronger alliance.
There might be a fanfiction where Raven and Batman form an unlikely friendship. Raven, being from a different realm, offers Batman a new perspective on justice and dealing with the criminal underworld. In this story, they could face a common enemy that requires both of their unique skills to defeat.
One interesting 'batman and lois fanfiction' story could be where they team up to solve a mystery that spans both Gotham and Metropolis. Maybe a new super - villain is causing chaos in both cities and their combined skills are needed to stop it.
One interesting 'batman in heat fanfiction' story could be about Batman facing a particularly intense and dangerous situation during a heatwave in Gotham. The extreme heat might be causing villains to act more erratically, and Batman has to use his wits and skills to stop them while also dealing with the challenges of the sweltering environment.