Supergirl Cast Play Battle, Save, & Sidekick at Comic-Con

Young Hollywood is chatting with "Supergirl" stars Katie McGrath, Mehcad Brooks, Chyler Leigh, and Jesse Rath at Comic-Con where we find out what emojis they would choose for their respective characters and what they would do if they actually were their character for a day, plus find out what other fictional characters they would choose to battle, save, or have as their sidekick!