Marcus punches Joel in the face, hard enough to knock him out. But after that, Joel has no black eye or any marks on his face.
When Sheila is in her car in the parking garage, she accidentally honks her horn and is forced to duck down so Bob cannot see her. When the camera changes to Bob, Sheila is sitting straight up in her car.
Eric (Skyler Gisondo) and Abby (Liv Hewson) buy Kevin Bacon's hat from Tremors (1990), a worn straw hat. But in the film, Kevin Bacon wears a white stetson hat.