Michael screens his movie for his co-workers on "Threat Level Midnight." That's the name of the film, too, of course.
Added:

The Office Season 7 Episode 16 Quotes

Ryan (as NHL coach): On your marks. Get set...
Jim (as Goldenface): Die.

Pam: No laughing. No comments. Just positive energy and we'll have a pure fun day. Okay?
Creed: Thanks mom.