With Austin Powers: International Man of Mystery (1997), costume designer Deena Appel created one of the most iconic screen looks of all time. That is no overstatement; Austin Powers has been copied and homaged and wheeled out every year as a Halloween costume, with very little credit put Appel’s way. It is a rather sad indictment of how the industry works that, despite its importance, especially in a film such as Austin Powers, a costume designer will rarely see any kudos come their way. Awards? Well, you might have a chance if your film is set in Victorian England or Disney-verse, but other than that not so much. With this…