Well, Batman himself is likely to be one of the main characters. He would be the one trying to deal with the situation involving the splicers. There might also be some new characters created specifically for this fanfic that are related to the splicers, perhaps a leader among them or a scientist who created them.
There could be some new characters who are splicers themselves. Maybe a lead splicer character who is trying to create a new world order for the splicers. This character could be complex, having both good intentions for his splicer kind but going about it in the wrong way, like causing chaos in Gotham.
The 'Bioshock Graphic Novel' is significant as it expands the Bioshock universe. It gives more backstory to the world of Rapture. For example, it might show how certain characters came to be in Rapture or what events led to its decline in a more visual and narrative - driven way compared to just the game.
It expands the story. It gives more background on the world and characters of Bioshock Infinite. It can show things that might not be as easily conveyed in the game, like the early lives of the main characters or the history of the floating city.
The way the fanfic might re - imagine the setting of Batman Beyond is also appealing. It could update the technology or the social environment of the city. The splicers could be a product of some new scientific experiment gone wrong in this updated world. This could lead to a lot of exciting action scenes as Batman tries to keep the city safe from the chaos they cause.
In the 'Batman Beyond Splicers Fanfiction', we might see new gadgets being introduced to deal with the splicers. Since the splicers have different biological make - ups, Batman might need to develop specialized weapons or tools. For instance, a device that can disrupt the spliced DNA temporarily to weaken the splicers during a fight.
The 'bioshock novel' focuses on the characters' experiences in the Bioshock world. It could be about their encounters with the splicers, the Big Daddies, and the Little Sisters. It also might deal with the moral dilemmas they face, like whether to harvest or rescue the Little Sisters. And it gives a more in - depth look at the history and the secrets hidden within the walls of Rapture.