“We got Lundgren,” Glenn Howerton said during a panel on set. “He’s playing John Thunder Gun.” John Thunder Gun is the fictional action hero of the Thunder Gun Express franchise. One time the gang completely abandoned each other and Dee was covered in sewer filth while they were trying to make it to one of his movies. John Thunder Gun is primarily known in the show for hanging serious dong, so we’ll see if Lundgren delivers.
https://decider.com/2019/08/01/its-alwa ... set-visit/