Nicktoons/Marvel

Cast

 * Lincoln Loud as Spider-Man
 * Jimmy Neutron as Iron Man (Both are geniuses who make many gadgets)
 * Goddard as J.A.R.V.I.S.
 * Sheen Estevez as War Machine
 * Rocko Rama as The Hulk (Both are mild-mannered folks with anger issues)
 * Doug Funnie as Captain America (Doug is the first Nicktoon)
 * Skeeter Valentine as The Winter Soldier
 * SpongeBob SquarePants as Thor (SpongeBob is from a different world)
 * Kitty Katswell as Black Widow
 * Dudley Puppy as Hawkeye
 * Miyamoto Usagi as Quicksilver
 * Akemi as The Scarlet Witch
 * El Tigre as The Black Panther
 * Shinigami as Storm
 * Leonardo as Cyclops
 * Karai as Pheonix
 * April O'Neil as Rogue
 * Raphael as Wolverine
 * Donatello as Beast
 * Michelangelo as Iceman
 * Casey Jones as Nightcrawler
 * Y'Gythgba as Firestar
 * Splinter as Professor X
 * Fanboy as Deadpool (Both are crazy and annoying)
 * Chum Chum as Bob, Agent of Hydra
 * Oz as Weasel
 * Alopex as Negasonic Teenage Warhead
 * Leatherhead as Colossus
 * Otto Rocket as Ant-Man
 * Bessie Higgenbottom as the Wasp
 * Timmy Turner as Doctor Strange (Both use magic for good)
 * Herbert Dumbrowski as Nick Fury
 * Keswick as Phil Coulson
 * Bridget (from Hey, Arnold! The Movie) as Maria Hill
 * Patti Mayonnaise as Peggy Carter
 * Tuesday X as Sharon Carter
 * Pelswick Eggert as The Falcon
 * Pig as The Thing
 * Goat as The Invisible Woman
 * Banana as The Human Torch
 * Cricket as Mr. Fantastic
 * Sleazy Beave as The Silver Surfer
 * Korra as Captain Marvel
 * Danny Phantom as Ghost Rider
 * Arnold Shortman as Daredevil (both are 'lost' relatives)
 * Helga Pataki as Elektra Natchios
 * Ren Höek as the Punisher
 * Eliza Thornberry as Jessica Jones
 * Stimpy Cat as Luke Cage
 * Tak as Iron Fist
 * Harvey Beaks as Alex Wilder
 * Fee as Nico Minoru
 * Foo as Chase Stein
 * Piri Piri as Molly Hernandez
 * Princess as Karolina Dean
 * Claire as Gert Yorkes
 * Henry and June as Cloak and Dagger
 * Ansi Molina as Blade
 * Bunsen as Man-Thing
 * Brad Carbunkle as Star-Lord
 * Jenny Wakeman as Gamora
 * Mark Chang as Drax the Destroyer
 * Zim as Rocket Raccoon (Both are quick-tempered anti-heroes from space)
 * GIR as Groot
 * Aseefa as Mantis
 * Misty as Nebula
 * Stick Stickly as Howard the Duck
 * Wilbur Huggins as The Green Goblin
 * The Exterminator (from The Loud House) as Doctor Octopus
 * Professor Calamitous as the Iron Monger
 * Armagedroid as Ultron
 * Meldar Prime as the Leader
 * Sheldon J. Plankton as Loki
 * Vexus as Hela
 * Glowface as Red Skull (Both have red faces and are part of an evil organization)
 * The Shredder as Magneto
 * Vlad Plasmius as Mephistopheles
 * Fright Knight as Blackheart
 * Alphonse Perrier du von Scheck as The Kingpin
 * Nick Vermicelli as Bullseye
 * George Liquor as Jigsaw
 * Dorkus as Ronin the Destroyer
 * Pariah Dark as Thanos