The two main characters are, obviously, Batman and Bane. Batman is the Dark Knight, the protector of Gotham City. Bane is a powerful and intelligent villain who has a vendetta against Batman. There are also some supporting characters like Alfred, Batman's loyal butler who often gives him advice and helps in his recovery. And there might be some Gotham police officers who play minor roles in the story.
In the 'batman vs bane graphic novel', a key plot point is Bane's physical and mental assault on Batman. Bane breaks Batman's back, which is a major event that shakes Gotham as Batman is incapacitated. Another point is Batman's journey of recovery and his determination to face Bane again. The power struggle between the two, with Bane's brute strength and strategic planning against Batman's detective skills and willpower, also forms an important part of the plot.
One interesting storyline could be a team - up against a new super - villain who has the power to manipulate time. Batman and Batwoman would have to race against the clock to stop this villain before he changes history to his advantage.
The villains in batman and batwoman fanfic can be really well - written too. For instance, the Joker. His chaotic and unpredictable nature can be delved into deeply in fanfic. Writers can show how his madness affects not only Batman and Batwoman but also the city of Gotham as a whole.
One plot idea could be them teaming up against a new and powerful villain that neither of them can defeat alone. They have to learn to trust and rely on each other's skills in a more in - depth way.
You can try fanfiction websites like Archive of Our Own (AO3). There are a lot of talented writers who post their Batman x Batwoman fanfics there. Just use the search function and look for relevant tags.
One great 'Batman and Bane Fanfiction' is 'The Redemption of Bane'. It shows a different side of Bane, exploring his possible path towards redemption. The author does a great job of delving into the complex relationship between Batman and Bane.
In the comics, Batman doesn't die at the hands of Bane. Bane is a powerful adversary, but Batman finds a way to overcome his challenges and live on to fight another day. Their confrontations are epic, but Batman's resilience prevails.