For over a decade he was considered on of the genre’s best small screen minds, but with the launch of “Serenity” last year, writer/director Joss Whedon set foot into the world of movies and has already left his mark. […] he’s been hard at work on a script for DC Comics based on the classic heroine Wonder Woman […] “Whedon couldn’t help but compare the Wonder Woman character to another pop-culture icon … the one he created: Buffy the Vampire Slayer. “It’s about girls maturing,” he added. […] Although there is no news on casting for the movie, rumours indicate several names who have already worked with Whedon (including Sarah Michelle Gellar and Charisma Carpenter) are in the running.