Some fanfictions worth checking out are 'The Secret Justice League'. In this one, there are hidden secrets among the members that start to surface. 'Justice League: Origins Redux' reimagines how the Justice League was formed in a more detailed and unique way. Also, 'League of Shadows and Light' plays with the concept of good and evil within the League, making for a really engaging read.
One great 'Young Justice Dimension: Justice League' fanfiction is 'The New Recruits'. It focuses on how new members are integrated into the team. The story has great character development and exciting action scenes.
There are some fanfictions that focus on a female Naruto having a romantic relationship within the Justice League. For example, a story where she and Green Arrow form an unlikely bond. She might be attracted to his archery skills as it reminds her of her own precision with kunai. This type of fanfiction often plays with the idea of different universes colliding and how characters from such diverse backgrounds can interact on an emotional and physical level.
One great 'Justice League' fanfiction is 'The New Recruit'. It adds a new character to the League and shows how they adapt to the team. Another is 'League in Crisis' which explores an alternate scenario where the League faces a threat from within. There's also 'Justice League: The Lost Years' that delves into what the members were doing during a period not shown in the official canon.
Some of them might be amused. They could find the different takes on their characters and stories quite entertaining. For example, Superman might chuckle at a fanfic that has him in a comical situation.
The 'New 52' Justice League origin story is also great. It brings together the classic heroes like Superman, Batman, Wonder Woman, etc. for the first time in this new continuity. We get to see how they initially interact, their distrust for one another at first, and how they gradually form the iconic Justice League. It's full of action and great character development.
There's a fanfiction titled 'Wonder Woman's Secret Mission'. In this story, she embarks on a covert operation while the Justice League is unaware. The author does an amazing job of depicting her stealth and intelligence, adding new dimensions to her character. It also has some great action scenes that are in line with the Justice League's epic battles.
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.
One good example could be a story where a doctor in the Justice League has a unique power to heal not just physical wounds but also psychic traumas. They might be the key to bringing a hero back from a dark mental state. For instance, they could help Superman deal with the emotional aftermath of facing a powerful and evil version of himself.
One great 'Justice League Batman fanfiction' is 'The Dark Knight's Alliance'. It shows Batman forming a closer bond with the other Justice League members in a unique way. Another is 'Batman: Shadows in the League', which delves into his detective skills within the context of the Justice League. There's also 'Justice League: Batman's Redemption' where Batman has to overcome a personal crisis while being part of the team.
One great 'Justice League Batman sick fanfiction' could be one where Batman is injured during a Justice League mission and the other members have to take care of him while also dealing with the threat at hand. For example, Superman might use his super strength to carry Batman to safety while Wonder Woman defends them from the villains. Another could be a story where Batman gets a mysterious illness that affects his detective skills, and the rest of the Justice League has to help him figure out what's wrong and how to cure it.