Here’s a Good Day to Die Hard featurette where Jai Courtney talks up the dynamic between John and Jack McClane, the rootin’ tootinest father son team-up in all the land. At first they won’t get along, but then they will. Also, they’ll jump to their deaths together (1:12 in the video):

Need the filmmakers be reminded that such dangerous jumps are exactly how we lost Danson and Hightower?