The really interesting news from this MTV article is that despite Christopher Nolan's earlier statement that he hasn't had time to THINK about another Batman film, Goyer confirms that he and Nolan have indeed been talking it over, and seem to have nailed down the general theme--and possibly the villain.
"We’ve only talked loosely about it, though, Chris and I," Goyer said.
Interestingly, it’s the theme, and not the villain, that most interests me, especially given how the latter seems inexorably tied to the former in this new modern Batman universe. (Fear the predominant issue in “Begins” precipitating the introduction of Scarecrow, escalation in "Knight" similarly calling for The Joker.
The fact that Goyer has a theme he wants to keep in mind for a possible “Batman 3” means he also has a direction, a crisis, and, yes, a villain.
So what is it?
"I have one,” Goyer said laughing. “But I’m not going to tell you. Chris is very particular about that."