Revealing mistake: When Schmidt is receiving text messages on his Xperia Z from Captain Dickson that he is going to kill him for dating his daughter, you can hear the phone chiming, but when he shows his cell phone you can see in the notification bar it's on silent. (00:59:00)
Revealing mistake: The helicopter scene shows a brown skin-toned hand holding onto Schmidt's hand, a couple of times, and then it shows Jenko's white hand again.
Revealing mistake: When showing the characters enter the library, a sign identifying the real-world location as Tulane University is visible.
Chosen answer: While her fate is currently unknown, we do know that Brie Larson did not reprise her role for the sequel because of the story taking place in college.