well assuming you know he is the bat.

No one defeats batman, this is a job too great for a single person so its time to outsource this bad boy, you kick back after roping in a good half dozen of the cities finest (or not so fine) citizens.

A few hours later the phone rings, a husky voice emerges. "This is my town.".

you spend the rest of your short life packing money into bags, rushing towards the subway a man slips past you, digging a knife into your side, a manic grin on his face as he twists the blade. "A present from the joker friend."

the light in your eyes fades, you slip into death as the briefcase opens, spilling your ill gotten hoard into the greedy hands of the grasping suits, oblivious to your end.