Ben 10/X-Men: Evolution/Scooby-Doo! Mystery Incorporated/Generator Rex/Batman Beyond: Arabian Knights (2013 Animated Film)

Ben Tennyson, Rook, the X-Men, the Scooby-Gang, Rex, Noah and Bobo are greeted by Terry McGinnis, the Batman, from the year 2039 that a year was changed by an evil who used magic and sorcery.

Characters

 * Ben Tennyson (Yuri Lowenthal)
 * Rook (Bumper Robinson)
 * X-Men:
 * Cyclops (Kirby Morrow)
 * Jean Grey (Venus Terzo)
 * Spyke (Neil Dennis)
 * Rogue (Meghan Black)
 * Kitty Pryde (Maggie Blue O'Hara) - near the end, States, "Hey, Shazam, bet you can't turn me into a mermaid!", though Shazam laughs cruelly stating, "I can test any magical power!", as he zaps Kitty with the Gem to switch her clothes into a red seashell bra and pink fins into a mermaid, right in front of Rex, Ben and Terry
 * Nightcrawler (Brad Swalie)
 * Gambit (Alessandro Juliani)
 * Colossus (Michael Adamthwhite)
 * Iceman (Andrew Francis)
 * Angel (Mark Hildreth)
 * Scooby-Doo (Frank Welker)
 * Shaggy Rogers (Matthew Lillard)
 * Fred Chiles (Frank Welker)
 * Daphne Blake (Grey DeLisle)
 * Velma Dinkley (Mindy Cohn)
 * Rex Salazar (Daryl Sabara)
 * Noah Nixon (Fred Savage)
 * Bobo Haha (John DiMaggio)
 * Terry McGinnis/Batman III (Will Friedle) - Dick Grayson's succeeder after he retired to marry and stay close to Barbara Gordon
 * Bruce Wayne (Dennis Quaid) - age 67 in 2039, enlists Terry to go back 28 years back into the past to stop the sorcerous event

Villains

 * Shazam/Madhim (Tony Todd/Corey Burton) - the main antagonist, Shazam used a guise of a character named Madhim, similar to The Peddler from Aladdin, and has the same tone as him, he tricks the heroes into finding a power known as the Eye of the Skull, which has the ability to change people into some other types
 * B'Hilla (Cindy Robinson) - the secondary antagonist, the blonde haired woman, Shazam's servant

Aliens used

 * Diamondhead
 * Greymatter
 * Wildmutt
 * XLR8

Plot
???

Trivia
???