Today during The CW’s Upfront presentation they released the very first trailer for their upcoming Arrow & Flash spin-off DC’s Legends of Tomorrow. This show will bring characters from both shows together to fight DC super villain Vandal Savage who was also announced today as the main antagonist. It brings Dr. Stein, ATOM, White Canary, Hawkgirl, Captain Cold & Heatwave together with The Flash, Arrow and Rip Hunter to take him down.