Greg Berlanti has confirmed a new superhero film in development about Booster Gold. Booster Gold is a character that Arrow, The Flash, and Supergirl TV show co-creator Greg Berlanti has attempted to bring to the shows since 2011. Booster Gold is a likely candidate to show up on the Arrow/Flash TV show spinoff Legends of Tomorrow. has confirmed he would love to direct the feature too if Warner Brothers decides to greenlight it.