Dolph Lundgren thinks that ‘The Expendables 4’ failed for a multitude of reasons. The 66-year-old actor reprised his role as Gunner Jensen in the action film that disappointed both critics and audiences and thinks that a mediocre script as well as a lack of creative involvement from Sylvester Stallone contributed to the poor response to the picture. Dolph told Screen Rant: “That project had issues from the beginning, and it usually starts with the script, it really didn’t have a good script. “I’m not playing the lead, so it’s hard for me to weigh in on some of the issues, but I know Stallone w…