Ashton Kutcher to return for show’s upcoming Netflix spinoff, “That ’90s Show.”“It was really nostalgic to be back on the set,” Kutcher told Variety’s Carson Burton at the red carpet premiere of “Vengeance” at the Ace Hotel in Los Angeles Monday evening. “It’s all the same folks that made ‘That ’70s Show,’ so it was pretty bizarre.”Kutcher went on to explain that he and his wife, his “That ’70s Show” costar Mila Kunis, felt a return to the property was the right thing to do — beyond being a blast, of course.“Mila and I were contemplating it,” Kutcher said. “We thought, ‘Listen, we’re only in the position that we’re in because of that show, so let’s just go back and do this.