The Dark Knight Trilogy might be the gold standard when it comes to superhero films but that doesn't mean it's perfect. Far from it.

In action films, mentors tend to be the guiding light that directs a hero's path from clueless newbie to force to be reckoned with. They're the sages, the rock, the eye of the hurricane.

Christopher Nolan's Dark Knight trilogy is arguably the definitive live-action depiction of Batman. Although four other ...