Evan Peters and Jeremy Palko are the only actors to return from the first film in 2008. Jeremy played the running back in the first film and Kurt the roommate in the second film.
Case Walker says: "We need emotion content, not anger" then he nods. This is a line from Bruce Lee's Enter the Dragon.
The Dj in the 3rd act is Eddie Bravo the founder and created of 10th Planet Jiu Jitsu.
According to Michael Jai White, the company that Tim Newhouse worked for, Tedco, was named after his ex-father-in-law.