A maniacal outlaw destroys a frontier town and then returns after it has been rebuilt by survivors and the broken-down sheriff who didn't lift a finger to stop him the first time.
Django Unchained
The Good, the Bad and the Ugly
Unforgiven
Once Upon a Time in the West
For a Few Dollars More
Dances with Wolves
True Grit
A Fistful of Dollars
The Treasure of the Sierra Madre
Blazing Saddles