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.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a vast collection of fanfics, and you can simply search for 'Young Justice Justice League deaged' in the search bar. Another option is Fanfiction.net, which also has a large number of fan - created stories. Some Tumblr blogs may also feature or recommend such fanfictions. Just search for relevant tags like #YoungJustice #JusticeLeague #deaged.
I'm not sure about specifically 'famous' ones just for this concept. But there are many talented fanfiction writers in the DC universe fanfic community. Some writers might be well - known within the circles of those who are really into Young Justice and Justice League crossovers. They often have a unique take on how the Justice League would interact with and watch over the Young Justice team.
In such a fanfiction, there might be a big threat that requires both teams to combine their skills. The Flash could race with Kid Flash and share some speed - related tips. And Wonder Woman could train the female members of Young Justice in combat.
They might be really surprised. Some fanfictions could show their characters in very different ways than they expect. For example, they might see relationships between characters that they never thought of in the official story. It could be both amusing and a bit strange for them.
Batman is often a very popular character. In fanfiction, he can be portrayed in different ways, like a more nurturing mentor figure to the Young Justice team or as a master strategist leading the Justice League in complex battles.
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.
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.
Some fanfictions play with the idea of power - swapping. Maybe a young hero from Young Justice gets the powers of a Justice League member and vice versa. It's a really cool concept as it forces the characters to adapt to new abilities and challenges, and it often leads to some really fun and unexpected storylines.
In a Young Justice and Justice League crossover fanfiction, character development can occur in multiple ways. Firstly, the less - experienced Young Justice members can learn from the Justice League's vast knowledge and experience. A character like Robin in Young Justice could gain new insights into detective work from Batman. On the other hand, the Justice League members can be inspired by the Young Justice team's energy and fresh perspectives. Superman might see the determination of a young hero like Superboy and start to reevaluate his own approach to heroism. Also, characters can develop through shared traumas. If they face a particularly difficult villain who causes a lot of destruction, they might all grow in their empathy and understanding of the importance of protecting civilians.