It could be interesting if WB weren't hung up on being tied to the Justice League
- A Batman more like B-TAS or more like the Dennis O'Neil Batman of the '70's comics.
- or a period piece Batman. The 1940s would be cool, but how about a Batman set in the 1920s or even 1890s? A Gotham By Gaslight
approach. A time when Bruce Wayne's studies and acquired knowledge from around the world in tandem with his exceptional detective skills as well as him utilizing the earliest forms of forensics would seem very forward thinking and remarkable to everyone else around him. A time when a dark figure of the night dressed as a bat could really play with people's imagination.