Then again i suppose Batman started it all with the swift Keaton/Kilmer/Clooney turnaround.
Interesting to note that the two swift replacements are Batman lite(ahem...shite).
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MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.