1. Never Kill, Even When Doing So Threatens Other Lives - The Dark Knight
Batman's "no killing" rule has created a lot of debate surrounding Christopher Nolan's Dark Knight Trilogy, firstly whether he has, in fact, killed people - leaving Ra's to die on the train and pushing Dent off the platform - and the fact that his no-killing rule has, through inaction, caused a lot of other deaths. Though The Joker is a slippery customer to catch, imagine how many lives could have been saved if Batman had simply moved to strike a little sooner, less intent on capturing him and more on simply stopping him by any means necessary. It's an interesting moral dilemma; should Batman refuse to kill, even if it causes more death, or get murderous but dirty his own soul? I think it comes down to utilitarianism at the end of the day, and saving as many lives as possible; it's not like The Joker even values his own life anyway, and I doubt many would object to him being put down. Oh wait, I can see it now - The Dark Knight alternate ending features Bats being brought up on charges by Amnesty International for hurling The Joker off the top of that building. Yeah...right... Which superhero messages annoy you the most? Let us know in the comments below.