The movies Batman are based off the comic books.
The story of Bruce Wayne becoming Batman is when his mom and dad are killed after walking out of a movie theater. Eventually his butler Alfred takes care of him as his legal guardian, James Gordon who was a police officer at the time eventually becomes commissioner, and plays a part in his role before he becomes Batman and after he becomes Batman. Bruce Wayne is trained and learned from himself and from others like his butler how to become Batman, so he meshes his personality of being dark and alone but knowing how to use that to defeat his opponents, and he is a very good fighter.
Batman fights because of what happened to him as a kid. He fights criminals like Penguin and the Joker, defeating all his opponents, and with the help from James Gordon, he defeats several other people such as Bane.
What makes Batman a unique character is he’s dark, and he can be alone, but he has it in him without going too far. He is a very iconic character that has so many sides to him that he is very interesting because he is supposed to be a spoiled rich kid but turns into a superhero, doing most with all the money he has.