Elaine Low Senior TV WriterNow that nine-part epic “WandaVision” has wrapped and the premiere of “The Falcon and the Winter Soldier” is still a week away, Disney Plus has released a new documentary-style special to fill the Westview-sized hole in your heart.“Assembled: The Making of ‘WandaVision'” features interviews with showrunner and exec producer Jac Schaeffer, director Matt Shakman, and stars Elizabeth Olsen, Paul Bettany, Kathryn Hahn and Teyonah Parris.