A hearty "ruh-roh, Raggy!" to any HBO subscribers who already plopped down the $25 for Scoob!, because the animated film is headed to HBO Max on June 26. Directed by Tony Cervone (Tom & Jerry: Back to Oz), the film stars Will Forte, Gina Rodriguez, Zac Efron, Amanda Seyfried, and Frank Welker as the classic mystery-solvin' team and their dynamic dog, Scooby-Doo. "HBO Max is the perfect home for these 'meddling kids' and their dog,’" said Kevin Reilly, chief content officer, HBO Max, president TNT, TBS, and TruTV, in a statement. "SCOOB! tells the backstory of how …