3 key things to know about 'The Accountant' before watching the sequel

Jon Bernthal and Ben Affleck play highly trained assassin siblings in "The Accountant 2." Warrick Page / Prime Ben Affleck is back as an autistic assassin in "The Accountant 2." The sequel comes almost 10 years after the first film, asurprise hit for Warner Bros, was released. Here are three…