Warner Bros. has officially taken the star-packed CG reboot Scoob! off its release calendar indefinitely. The film tells the origin story of the Mystery Inc. gang and features the voice work of Zac Efron as Fred; Will Forte as Shaggy; Gina Rodriguez as Velma; Amanda Seyfried as Daphne; Frank Welker as Scooby-Doo; Jason Isaacs as the infamous Dick Dastardly; and Mark Wahlberg as Blue Falcon.