The CW shared a new combo trailer for The Flash which returns this coming Tuesday, and the latest DC TV series set to premiere on Tuesday, iZombie. This is the first episode of The Flash since Mid-February and a welcomed return. It features the debut of Liam McIntyre as Mark Mardon, the brother to Clyde Mardon, and the Weather Wizard. Following The Flash is the premiere of iZombie which is based on the Vertigo Comics title of the same name. Check out below the new trailer to these upcoming episodes along with a promo image that shows off the Reverse Flash. The Flash is all new Tuesday, March 17th at 8 p.m. ET, followed by iZombie at 9 p.m. ET on The CW.