On Thursday, December 18th only, Entertainment Earth is offering a 24 hour sale of up to 70% off on Batman Arkham City and Arkham Origins action figures from DC Collectibles.
Some great figures include Solomon Grundy, Firefly, Rabbit Hole Batman, Clown Thugs, Two-Face & many others.
Depending on the sale price and popularity of the figure, some of these might go fast. You might want to log-on at 12 AM PST and claim your figure(s).