 Atwell, D'Arcy, Gjokaj, and Murray returned for the second season.The costume designer for the series is Giovanna Ottobre-Melton, who felt comfortable with the series' period setting after spending months researching American styles in the 1940s for the 2013 television series "Mob City".She noted that "many comic books were all blended by the color, style, and fabrics" from 1940s New York.