Wonder Woman can be a popular addition. She may come in to help resolve the conflict between Batman and Superman or be part of a larger team - up. Her unique powers and strong - willed personality make her a great character to include in these fan - created stories.
Lex Luthor is also very common. He could be the mastermind behind pitting Batman and Superman against each other, or he might form an unexpected alliance with one of them in some fanfictions. His intelligence and devious nature add a lot of intrigue to the stories.
Lois Lane is often a popular character. In fanfiction, she might play a crucial role in mediating between Batman and Superman or getting involved in their adventures in a more hands - on way, using her investigative journalism skills.
Alfred Pennyworth is quite popular too. He can offer his wisdom and support to Batman, and his interactions with Superman can be both humorous and heartwarming. He's like the glue that holds things together in the Batcave, and his presence can bring a sense of home to the story.
Lex Luthor is often an interesting character in such fanfictions. He might be the one pulling the strings behind the scenes, fueling Batman's distrust of Superman. Another could be Alfred. His wisdom and influence on Batman can add depth to the story. He might try to talk Batman out of fighting Superman or help him in a more covert way. And then there's Wonder Woman. She could be caught in the middle, trying to mediate between the two or having her own motives for getting involved in their conflict.
Wonder Woman could also be involved. She might be caught in the middle, trying to stop the fight at first. But if she realizes that Superman is being a threat for some reason, she could side with Batman, or at least not interfere in Batman's attempt to defeat Superman.
Catwoman can also be a popular character. She could be in a love - triangle situation with Batman, and her thieving ways might put her at odds with the female Superman who stands for truth and justice. There could be some really interesting interactions between the three of them, like Catwoman trying to steal a valuable item that the female Superman is protecting, while Batman is caught in the middle, not sure who to side with at first.
The key characters are Batman, Superman, and Lex Luthor. Batman is the Dark Knight, a vigilante with no superpowers but great detective skills and combat abilities. Superman is the Man of Steel, an alien from Krypton with super strength, speed, and other amazing powers. Lex Luthor is a brilliant but devious billionaire who sees Superman as a threat to his own power and plans to destroy him by pitting him against Batman.
Catwoman can also be a popular character. Her ambiguous moral standing and her relationship with Batman can create interesting sub - plots in the fanfiction. She might get involved in a scheme that involves both Superman and Batman, either as an ally or an adversary depending on the story.
Obviously, Batman and Superman are the most prominent. Their complex relationship, which is a mix of friendship, rivalry, and ideological differences, makes them central to any fanfiction in this universe. However, characters like Wonder Woman also often play important roles. In some fanfictions, she may be caught in the middle of the Batman - Superman conflict, trying to mediate or having her own stance on the events that unfold.
Batman and Superman are obviously very popular. They are the main focus of the original movie, so in fanfiction, they often take center stage. Writers love to explore their complex relationship, whether it's a friendship, rivalry, or a combination of both.
One interesting plot could be Batman and Superman having to team up against a common enemy that is more powerful than either of them alone. This forces them to put aside their differences and combine their skills.
There are many writers in the fanfiction community, but it's hard to name just a few as popular ones. Some are well - known within the niche communities. Often, you can find good ones by looking at the top - rated stories on fanfiction platforms. They might be new or established writers who have a knack for capturing the essence of Superman and Batman's relationship in a romantic context.