One thing that's true of comic book characters: they never stay dead for long. So when the Dark Knight gets taken out, you know he probably won't remain in the ground. Now, Batman doesn't usually go around killing his enemies (most of the time), but they aren't as forgiving when it comes to their views on taking him out. Most fans may not realize it, but Batman has died in the comics quite a few times over the years.
Sure, Bruce Wayne has been on the losing side of fights against a number of enemies, but most of the time, he gets up and walks away. That's not always true, however, when you examine more than 80 years of publishing history for a character who has fought some pretty tough villains.
Darkseid Obliterates Batman With His Omega BeamsPhoto: Final Crisis #6/DC Comics
Batman And The Joker Die Together In A Collapsing CavePhoto: Batman #40/DC Comics
The Entire Justice League Is Killed By The Ancient AtlanteansPhoto: JLA #74/DC Comics
Wonder Woman Stabs A Dictator Batman Through The Chest