Scooby-Doo! WrestleMania Mystery

'Scooby-Doo! WrestleMania Mystery (sometimes referred to as Legend of WrestleMania') is the twenty-first film in direct-to-video series of Scooby-Doo films. Scooby and the gang solving a mystery at WrestleMania. It will be be released on March 24, 2014 in the United Kingdom and on March 25, 2014 in the United States by Warner Home Video.

Production
On August 14, 2012 Warner Bros. and WWE Studios announced they will co-produce a Scooby-Doo animated feature that will find Scooby and the gang solving a mystery at WrestleMania. At least nine different WWE superstars will lend there voices for the film.

Plot
When Shaggy and Scooby win tickets to WrestleMania, the entire gang travels in the Mystery Machine to WWE City to attend the epic event. However, when a mysterious ghostly bear appears and threatens to ruin the show, Scooby, Shaggy, Velma, Daphne and Fred work with WWE Superstars to solve the case.

Main cast

 * Frank Welker as Scooby-Doo, Fred Jones
 * Matthew Lillard as Shaggy Rogers
 * Mindy Cohn as Velma Dinkley
 * Grey DeLisle as Daphne Blake

Guest stars

 * Triple H as Himself
 * Vince McMahon as Himself
 * John Cena as Himself
 * Kane as Himself
 * The Miz as Himself
 * Brodus Clay as Himself
 * Santino Marella as Himself
 * Sin Cara as Himself
 * AJ Lee as Herself

Non-speaking roles:
 * The Funkadactyls (accompanying Brodus)
 * Big Show and Alberto Del Rio (in a tag match against Cena and Cara)
 * Jimmy Hart and Sgt. Slaughter
 * Jerry Lawler and Michael Cole