Well, it's darker. The original series has its serious moments, but the fanfiction takes it to another level. It might have more graphic and intense scenes, whether it's battles or emotional breakdowns. The tone is more somber and gritty.
His spider - sense would be a great asset. It could help him detect danger before it strikes the Young Justice team. For example, if there's an ambush by some villains, he would be able to sense it and warn the others in time. His web - slinging ability would also give the team an advantage in terms of mobility. They could reach places that are difficult to access otherwise.
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.
One idea could be to have Inuyasha end up in the Young Justice universe through some sort of magical portal mishap. He could initially be seen as a threat due to his demon nature and his sword, Tessaiga. But then the Young Justice team realizes he's more of a lost soul and they try to help him get back home while also dealing with villains who want to use Inuyasha's power for their own gain.
A third fanfiction to check out is 'Young Justice: The Runaways' Alliance'. This story brings together different characters from both 'Young Justice' and the 'Runaways' in a unique way. It's full of unexpected team - ups and plot twists that keep you on the edge of your seat.
It's not that common. Usually, fanfics focus on specific aspects or characters rather than combining these two. But it can happen if the author has a unique idea.