Oleg pulling his gun on Lester, even if it did turn out to be empty.
How Oleg gets out of the situation with the pedophiles.
The way Teresa deals with them (calling the cops not to report the obvious, but instead a shooting, and then killing both of them in cold blood, telling the kids to go downstairs and wait for the cops, and leaving) also earns her serious Badass points.
Joey gets his extremely late into the movie:
The first is when he basically survives a No-Holds-Barred Beatdown on an ice ring, killing several people including the don he worked for even after he outs himself to be an undercover fed.