We've seen him on 'Arrow' and we've been getting small glimpses of the scarlet speedster during filming of the pilot, but now we have our first full teaser for 'The Flash' starring Grant Gustin. Here it is, in case you blinked and missed it. What did you think? Are you excited? Did you enjoy the 30 Seconds to Mars song 'Birth' that played throughout? Is there such a thing as too many comic book television shows?