Regular Show: Mega Marvel Monday

Regular Show: Mega Marvel Monday is the first crossover between Regular Show & The Marvel Universe.

Plot
Following a Dimensional rift accident caused by M.O.D.O.K., the Heroes of the Marvel Universe were transported to a park Home to Mordecai, Rigby & the Park Workers. Enfurious of M.O.D.O.K.'s Accident, The Red Skull & a group of Supervillians recived help from Garrett Bobby Ferguson Jr & His Father to get back at the Heroes who are with the Park Workers. As Such, M.O.D.O.K & Doctor Doom decides to bring back some of the Foes that the Park Workers had Faced including the coming of Galactus.

Regular Show

 * J.G. Quintel - Mordecai, Hi-Five Ghost
 * William Salyers - Rigby
 * Sam Marin - Benson, Pops Maellard, Muscle Man, Garrett Bobby Ferguson Sr.
 * Mark Hamill - Skips
 * Roger Craig Smith - Thomas, Garrett Bobby Ferguson Jr.
 * Steven Blum - Techmo, Muscle Bro
 * Carl Weathers - Basketball King
 * Juilian Holloway - Death
 * Troy Baker - Park Avenue, Klorgbane the Destroyer
 * Robin Atkin Downes - Gary
 * David Kaye - Reginald
 * Kurtwood Smith - Gene
 * Andrew Kishino - Doug McFarland
 * David Ogden Stiers - Mr. Maellard
 * April Stewart - Susan
 * Janie Haddad-Thompkins - Margret
 * Minty Lewis - Eileen
 * Courtnay Taylor - Starla, Audrey
 * Jennifer Hale - Muscle Mom
 * Lex Lang - Barry
 * Phil LaMarr - Cash Bankis
 * David Sobolov - Dale "The Deltoid" Desseko

Marvel Universe

 * Tom Kenny - Spider-Man
 * John DiMaggio - Wolverine, Hulk, Whiplash, Galactus
 * Daran Norris - Captain America, Venom
 * Nolan North - Iron Man
 * Dave Boat - Thor
 * Charlie Adler - Deadpool, M.O.D.O.K.
 * Ron Perlman - Cable
 * Kristen Schaal - Squrriel Girl
 * Lance Reddick - Falcon
 * Tim Curry - J.A.R.V.I.S
 * Clancy Brown - Red Skull
 * Maurice LaMarche - Doctor Doom
 * Robin Atkin Downes - Loki
 * James Arnold Taylor - Magneto
 * J.G. Hertzler - Taskmaster
 * Diedrich Bader - Shocker
 * Neal McDonough - Firebrand
 * Gregg Berger - Absorbing Man
 * Danny Trejo - Red Shift
 * Michael Ironside - Nick Fury
 * Ernie Hudson - G.W. Bridge
 * Clark Gregg - Phil Coulson
 * Stan Lee - Himself

Crew

 * Kris Zimmerman-Salter - Voice Director
 * Mark Mothersbaugh  - Composer
 * J.G. Quintel - Series Creator, Storyboarder, Writer
 * Cort Lane - Supervising Producer
 * John Infantino - Creative Director

Trivia
The Crossover contains Several Refrences from the Marvel Universe
 * Iron Man Consisted Techmo to work at Stark Industries after he repairs his Armor
 * At some point, the Guardians of Eternal Youth were mistaken as the Guardians of the Galaxy
 * Thor Adresses Benson as "Son of Ben" as a Refrence to Phil Coulson's Nickname, "Son of Coul"
 * Muscle Man wears a Costume that resembles Skarr, Son of Hulk
 * Marvel Comics Co-Creator Stan Lee makes a Cameo as a Hot Dog Vendor from New York
 * Thomas reads an Issue of "Amazing Fantasy"
 * GBF Jr. creates his own version of Dr. Doom's Doombots
 * Muscle Man's Walking away is a tribute to the ending of "The Incredible Hulk"
 * After Loki falls from a Prank, Muscle Man Calls himself "The New God of Mischef"
 * When GBF JR Has an Army, Iron Man has a "Muscle Hulk"
 * Deadpool Breaks the 4th Wall