Adam Scott already knows the ending of “ Severance .” “Oh Yes. I’m an executive producer on the show, so I’m involved in all of it. We talk with the writers, and Dan [Erickson], all the time. I know everything about what’s going on. [As an actor] I like having as much information as possible.” Just like the whole world, he’s more than ready for Season 3. “It’s going to be great. There’re so many surprises. I can’t wait to shoot it,” he said. As previously announced, Ben Stiller won’t be