What are some interesting storylines in 'justice league meets batman fanfiction'?

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.

Another storyline might involve Batman leaving because of a personal crisis. For example, he discovers something dark about his past that makes him question his place in the Justice League. He might think that he's a liability to the team and decide to leave to protect them.

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.

In this fanfiction, Batman might show off his detective skills to the Justice League. He could solve a mystery that the other members couldn't. For example, he might find out the true identity of a new supervillain faster than Superman or The Flash.

In a 'Batman meets Justice League' fanfiction, there could be an epic team - up against a powerful new villain. Maybe Batman's detective skills would be crucial in uncovering the villain's plan while the other Justice League members use their superpowers to fight on the front line.

One possible storyline could be that Batman discovers a conspiracy within the Justice League that endangers Gotham. So he and Robin decide to take on the League to stop it. Another could be that the Justice League is being mind - controlled, and Batman and Robin are the only ones who realize it and try to free their friends by fighting them. Or perhaps there's a misunderstanding where the Justice League believes Batman and Robin have turned bad, and they have to fight to prove their innocence.

One interesting storyline could be Thor joining the Justice League during a major threat from a powerful cosmic entity. His godly powers, like his lightning and strength, would add a new dynamic to the team's battles. For example, he could team up with Superman to take on an enemy that can manipulate gravity. Their combined strength and different power sets would make for an epic showdown.

One interesting storyline could be Wolverine being brought into the Justice League's universe due to a multiverse rift. He might initially clash with some members like Batman over their different approaches to justice. Batman is all about strategy and preparation, while Wolverine is more of a brawler. But over time, they learn to work together and Wolverine's healing factor and combat skills prove invaluable against a powerful new threat that the Justice League alone couldn't handle.

There could be a story where an OC has the power of telepathy but is initially shunned by the Justice League because they're afraid of this new power. The OC then has to go through a journey of self - discovery and also convince the League that they can be an asset, perhaps by using their power to stop an alien invasion that was hidden from the League's normal detection methods.

A cool concept could be a 'Batman Justice League fanfiction' set in an alternate universe where the League is formed much earlier in history. Batman has to adapt to working with heroes from different time periods and cultures, and they all have to figure out how to use their powers in a world that's not as technologically advanced as their own.