Directed by: John Francis Daley, Jonathan Goldstein
Starring: Rachel McAdams, Jason Bateman, Jesse Plemons, Chelsea Peretti
Trivia: Spoilers: There's a pretty subtle bit of foreshadowing in Gary's house. When he's seated and the group is playing Jenga, if you look behind Gary, there are two old-fashioned guns on the mantle. The way the shots of Gary are framed throughout the scene, both guns are pointed right at him several times. Later in the movie, Gary ends up being shot twice by two different guns - once by a gun loaded with blanks and once by a gun loaded with live ammunition.
Continuity mistake: When Kevin and Michelle tease Ryan about "needing the validation of Instagram models, " watch closely. In between shots, Kevin and Michelle are instantly looking in different directions and doing different things. (Ex. Between shots, Kevin goes from facing Ryan to facing down, and Michelle goes from holding her own drink to pouring a different drink for Kevin).
Trivia: In the scene where Max and Annie talk about their potential future child, there's a throwaway line about child-actors not amounting to much later in life - a bit of an inside joke, as Max is played by Jason Bateman, the rare child-actor whose career actually improved after he became an adult.
Answer: Brooks was kidnapped by Gary's fake kidnappers. Everything to do with his kidnapping was set up by Gary. Gary did it to make people realise he'd be fun at their game night. However, Brooks was in league with the actual criminals and assumed they were responsible, which is where the mix-up happens. Eventually, the real criminals show up in the third act. Basically, it's two separate storylines that converge at the end through a comedy of errors.
TedStixon