Scooby-Doo: Mutt of Steel (2014 animated film)

Scooby and the gang are transported to Apokolips, by accident, and they must find out why Superman became a rude, selfish, sadistic creep.

Premieres
2014

Characters

 * Scooby-Doo (Frank Welker)
 * Shaggy Rogers (Matthew Lillard)
 * Fred Jones (Frank Welker)
 * Daphne Blake (Grey DeLisle)
 * Velma Dinkley (Mindy Cohn)
 * Superman (Tim Daly)
 * Lois Lane (Dana Delany)
 * Jimmy Olsen (David Kaufman)
 * Perry White (George Dzundza)

Suspects

 * Lex Luthor (Clancy Brown) - reason: ???
 * G. Gordon Godfrey (Enrico Colantoni) - reason: ???
 * Steve Lombard (???) - reason: ???

Culprit

 * ??? (???) - reason: ???

Villains

 * Darkseid (Michael Ironside) - appears as the main antagonist, he ???
 * Kalibak (Michael Dorn)

Plot
???