Well, there was just one Hobbit book. And it was 330 pages long; They had material for at most 2 movies, the third one was just a pathetic attempt to rake in the moolah, riding on the middle-earth wave.
Not really. He shot up all the vehicles outside that place on approach; and even stabbed a guy in the chest that stabbed him, and blew up the main Russian henchman. Not to forget the Kryptonite convoy. I'm not complaining, but Batman would've found a way to disarm and disable without killing; a point well made by Superman in Superman vs the Elite.