Well, you could have a fanfiction where the magic in Fabletown starts to malfunction. Bigby has to figure out why while also dealing with the chaos it causes. For example, fables' true forms start to randomly appear. Another idea is a love story set within the 'A Wolf Among Us' universe. Maybe a fable falls in love with Bigby, but there are obstacles like the fact that he's a wolf and has a dangerous job. Or a plot where some of the non - fable humans in Fabletown start to suspect that there's something strange going on and Bigby has to keep them from finding out the truth without using too much force.
One idea could be an OC who is a new Fable arriving in Fabletown. They have a mysterious past that is somehow connected to the main events in the game. For example, an OC who was a former ally of Bigby's in an old war but lost their memory. This could lead to a lot of drama as they start to remember bits and pieces and it affects their relationship with the other characters.
For 'the wolf among us fanfiction', you might consider a story where Bigby has to go undercover in a non - fable community. This could lead to all sorts of interesting situations as he tries to keep his identity a secret while also dealing with the normal human world's problems. Or, you could write a fanfic about a fable character who has lost their powers and how they cope in Fabletown. It would be interesting to see how they interact with Bigby and other characters in this new, powerless state. Also, a time - travel fanfic where a character goes back in time to change an important event in Fabletown's history could be really cool.
A good plot for Injustice Gods Among Us crossover fanfiction could be a time - travel - based crossover. Maybe a character from Injustice accidentally travels to a different timeline in the DC universe where things are much more peaceful. This character would then have to adapt to this new world and its heroes and villains. Or perhaps characters from different eras of DC, like Golden Age heroes, cross over into the Injustice universe. They would be shocked by the state of the world and try to bring back the old values of justice. They could team up with some of the Injustice characters who still hold onto those ideals.
One idea could be that Bella discovers she has a special power that only she can use to protect the wolf pack. For example, she might be able to communicate with the spirits of the forest which give her warnings about upcoming threats.
Well, in some fanfiction, the plot might involve the wolf being a part of a prophecy related to Hermione. For example, it could be foretold that only she can save the wolf from an impending doom, like a dark magic that is slowly consuming it. This would lead her on a journey to find a cure or counter - spell. Also, the wolf could be a link to Hermione's past that she was unaware of. Maybe it was somehow connected to her family's hidden magical heritage, and as she gets to know the wolf, she uncovers long - lost family secrets.
Perhaps the black wolf is actually a cursed prince and the fanfiction could focus on his journey to break the curse. He might meet a kind-hearted maiden who helps him along the way.
One interesting 'the wolf among us crossover fanfiction' could be one that crosses it with a fairy - tale world. For example, a story where the characters from 'the wolf among us' end up in a world full of classic Disney - like fairy - tales. They might have to interact with the pure and innocent versions of the characters they are based on, which could lead to some really interesting and comical situations.
A plot could involve a time - traveling aspect within the fanfiction. For example, the characters go back in time to change a crucial event in the story and how that alters their present and future. This would add a whole new layer of complexity to their relationships and the overall story.
One idea could be exploring the backstories of the minor characters more in - depth. For example, we could learn about the life of a random student who was bit early on. Another could be a different take on how the virus spread, like if it was intentionally released by a secret organization for some dark purpose. Or perhaps a fanfiction where the survivors find an unexpected safe haven that has its own set of rules and mysteries.
One idea could be a story where a young trainer discovers a rare and powerful Pokemon in an unexpected place. Maybe in an old, abandoned mine. This Pokemon has unique powers that are different from what's known in the regular Pokemon world. It could be a Pokemon that can communicate telepathically with the trainer.