The Russos enlist F9 screenwriter for live-action Battle of the Planets movie Avengers: Infinity War and Avengers: Endgame directors Anthony and Joe Russo announced that they were developing a feature film adaptation of the classic 1970s anime series Battle of the Planets, and now comes word that the project has found its writer. According to Deadline, F9 and Kin screenwriter Daniel Casey has signed on to scrip the live-action project, which the Russos are producing through their AGBO banner alongside Tatsunoko, the creators of the original anime series. “We are thrilled to be working with a collaborator of Dan’s caliber on this beloved property,” said the Russos. “His passion, attention to detail, and thirst for innovation will no doubt delight fans of the IP while making a thoughtful introduction for newcomers. He is pioneer at heart and the perfect partner as we set out to lay the foundation of a universe which will engage audiences on a meaningful level and across the media landscape.”