The movie that Big D is watching when Abe and Paul enter his house is Police fédérale, Los Angeles (1985), directed by William Friedkin. Later, when they're waiting for supplies, the movie they're watching is Le Convoi de la peur (1977), also directed by Friedkin.
Point Blank" is a remake of French movie from 2010 "À bout portant"
During the PT Cruiser chase scene, the chase music from Ferris Bueller's Day Off plays.
Frank Grillo and Anthony Mackie were both in Captain America: The Winter Soldier and Captain America: Civil War
Anthony Mackie and Frank Grillo also worked together in Gangster Squad (2013). They're also both part of the Marvel Cinematic Universe.