The Supergirl SDCC Panel has just ended and we will bring it too you as soon as it becomes available. In the meantime, the CW has released the first official trailer for Supergirl Season 3. What we do know so far is that the villain this coming season will be Kryptonian, ‘Reign‘ played by actress Odette Annable! Check out the trailer below and sound off with your thoughts AFTER THE JUMP. Supergirl returns Monday, October 9th at 7pm Central on the CW.