Miller's original idea was to focus on Batman taking on Al Qaeda but that soon morphed into what you see above..
“I took Batman as far as anyone, and this guy is just not him. He’s been playing the crime fighter to stay in shape. What he really wants to do is fight terrorism. He knew the day would come. The story is essentially New York under attack by suicide bombers and our hero is out to find out their greater scheme. He’s much more a man of action than a detective. He’s a two-fisted Dirty Harry type, really.”
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