The “Arrow” & “Flash” offshoot show “DC’s Legends of Tomorrow” has a new trailer. The new series debuts on January 21st and the newest trailer focusses on White Canary played by Caity Lotz. The show also stars Arthur Darvill, Brandon Routh, Wentworth Miller, Dominic Purcell, Victor Garber, Franz Drameh, Ciarra Renee and Falk Hentschel.