THis is the official list of battle arenas that will appear in Ultimate Showdown.
Many more are to come soon.
Marvel[]
- Spider-Man
- Venom
- Carnage
- Hulk
- Abomination
- Wolverine
- Storm
- Iceman
- Jean Grey
- Cyclops
- Gambit
- Deadpool
- Magneto
- Juggernaut
- Sabretooth
- Mr. Fantastic
- Invisible Woman
- Human Torch
- The Thing
- Dr. Doom
- Captain America
- Iron Man
- Thor
- Black Panther
- Thanos
- Ghost Rider
- Black Heart
- Daredevil
- Elektra
- Blade
- Nick Fury
- Songbird
- Penace
- Captain Mar-Vell
- Ms. Marvel
- Spider Woman
DC[]
- Batman
- The Joker
- Catwoman
- The Penguin
- Killer Croc
- Superman
- Superboy
- Lex Luthor
- Doomsday
- Wonder Woman
- The Flash
- Aquaman
- Green Lantern (Hal Jordon)
- Green Lantern (John Stewart)
- Green Lantern (Guy Gardener)
- Green Lantern (Kyle Rayner)
- Gorilla Grodd
- Robin
- Starfire
- Raven
- Beast Boy
- Cyborg
- Blue Beetle
- Roshack
- The Question
- Captain Marvel
- Deathstroke
- Darkseid
- Harley Quinn
- Atom Smasher
- Green Arrow
Capcom[]
- Ryu
- Sakura
- Zangief
- Dante
- Mike Haggar
- Chun-Li
- Alex
- Ken
- Blanka
- Vega
- M. Bison
- Balrog
- Seth
- Mega Man
- Mega Man X
- Mega Man Volnutt
- Mega Man .EXE
- Roll
- Zero
- Viewtiful Joe
- Frank West
- Kaijin
- Batsu
- Yami
- Morrigan
- Lilith
- Saki Omokane
- Regina
- Leon Keneddy
- Chris Redfield
- Sheva Alomar
- Arthur
- Amingo
- Strider Hiryu
- PTX-40A
- Felicia
Tatsunoko[]
- Ken the Eagle
- Jun the Swan
- Casshan
- Tekkaman
- Polimar
- Yetterman-1
- Karas
- Doronjo
- Hakushon
- Ippatsuman
- Gold Lightan
- Tekkaman Blade
- Joe the Condor
- Yetterman-2
SNK[]
- Benimaru Nikaido
- King
- Vince
- Yuri Sakazaki
- Joe Higashi
- Kyo Kusanagi
- Iori Yagami
- Mai Shiranui
- Terry Bogard
- Raiden
- Kim Kaphwan
- Ryo Sakazaki
- Nakoruru
- Leona
- Ryuji Yamazaki
- Rugal Bernstein
- Geese Howard
Midway[]
- Scorpion
- Sub-Zero
- Kitana
- Shang Tsung
- Baraka
- Quan-Chi
- Kano
- Jax
- Sonya
- Liu Kang
- Raiden
- Shao Kahn
- George
- Ralph
- Lizzy
Namco[]
- Pac-Man
- Clyde
- Nightmare
- Siegfried
- Mitsurugi
- Taki
- Hilde
- Lizardman
- Astaroth
- Cervantes
- Zasalamel
- Yoshimitsu
- Heihachi Mishima
- Jin Kazama
- Kazuya Mishima
- Jack
- Paul Pheonix
- Nina Williams
- Klonoa
- Lloyd Irving
- Leo Magnus
- Kratos
- Yuri
- Collet
- Richter Abend
- Zule
Sega[]
- Sonic
- Shadow
- Tails
- Knuckles
- Silver
- Blaze
- E-123 Omega
- Rouge
- Amy
- Dr. Eggman
- Amigo
- AiAi
- Beat
- Ulala
- Alex Kidd
- NiGhts
- Billy Hatcher
- Akira Yuki
- Jacky Bryant
- Robo & Modo
- Toejam & Earl
EA & THQ[]
EA[]
- Dante Alighieri
- Eddie Riggs
- Isaac Clarke
THQ[]
- Crypto
- Parker
- Johnny Gat
- Dex Jackston
Ubisoft[]
- Rayman
- Rabbid
- Altair
- Ezio
- Desmond
- The Prince
- Jack Carver
- Sam Fisher
- Scott Monroe
Tecmo[]
- Ryu Hayabusa
- Ein
- Gen Fu
- Brad Wong
- Lisa
- Tina Armstrong
- Zack
- Bass Armstrong
- Bayman
- Helena
- Ayane
- Lei Fang
- Tengu
- Christie
- Kasumi
- Hitomi
- Hayate
- Jann Lee
Square Enix[]
- Cloud
- Squall
- Vivi
- Tifa
- Cid
- Sephiroth
- Yuffie
- Lightning
- Snow Villiers
- Hope
- Siefer
- Sora
- Riku
- Terra
- Aqua
- Ventus
- Geno
- Chrono
Disney & Pixar[]
- Mickey
- Donald
- Goofy
- Pete
- Beast
- Tarzan
- Simba
- Peter Pan
- Captain Hook
- Jack Skellington
- Jack Sparrow
- Mulan
- Hercules
- Hades
- Aladin
- Jafar
- Pooh Bear
- Maleficent
- Stitch
- Woody
- Buzz
- Zurg
- Mr. Incredible
- Elastigirl
- Wall-E
- Jake Long
- Tron
- Flynn
- Ram
- Sark
- CLU 2
- Rinzler
Cartoon Network[]
- Dexter
- Courage
- Powerpuff Girls
- Mojo Jojo
- Numbah 1
- Numbah 2
- Numbah 3
- Numbah 4
- Numbah 5
- Grim
- Billy
- Mandy
- Ben (Ben 10)
- Ben (Alien Force)
- Ben (Evolution)
- Ed, Edd, & Eddy
- Lazlo
- Bloo
- Chowder
- Samurai Jack
Warner Bros.[]
- Bugs Bunny
- Daffy Duck
- Tom
- Jerry
- Spike
- Scooby-Doo
- Taz
- Yosamite Sam
- Lola Bunny
Nicktoons[]
- SpongeBob
- Patrick
- Sandy
- Squidward
- Plankton
- Larry
- Tommy
- Danny Phantom
- Jimmy Neutron
- Timmy Turner (w/ Cosmo & Wanda)
- CatDog
- Zim
- El Tigre
- Jenny
- Aang
- Katara
- Sakka
- Zuko
- Azula
- Snap
- Ottis
- Fanboy & ChumChum
Shonen Jump[]
- Ichigo
- Rukia
- Renji
- Hitsugya
- Naruto
- Sasuka
- Sakura
- Rock Lee
- Kakashi
- Goku
- Vegeta
- Buu
- Broly
- Piccolo
- Getenks
- Bo-bobo
- Light Yagmi
- Luffy
- Nami
- Yugi
- Allen Walker
- Neuro Nogami
- Fuusuke
- Naota
- Haruko
LuacsArts[]
- Indiana Jones
- Darth Vader
- Starkiller
- Palpatine
- Darth Maul
- Obi-Wan Kenobi
- Anakin Skywalker
- Ahsoka
- Yoda
- Han Solo
- Luke Skywalker
- Chewbacca
- Stormtrooper
- Clonetrooper
Real-Life[]
- Police Officer
- Gangster
- Criminal
- John Cena
- brick obama
- Randy Orton
- Rey Mysterio
- Will Smith (as Hancock)
- Andy Whitefield (as Spartacus)
- Jackie Chan
- Jet Li
- Bruce Lee
- Chuck Norris
- Robert G. Cole
- Diego Sanchez
- Floyd Maywhether
- Mike Tyson
- Moe Howard
- Larry Fine
- Curly Howard
- Shemp Howard
- Tyrannosaurus
- Velociraptor
- Lion
- Tiger
- Bear
- Elephant
Monsters[]
Legends/Folklore/Mythical[]
- Bigfoot
- Yeti
- Vampire Beast
- Lizard Man
- Loch Ness Monster
- Jersey Devil
- Chupacabra
- Mothman
- Werewolf
- Unicorn
- Manticore
- Griffin
- Hippogriff
- Bunyip
- Chimera
- Phoniex
- Skinwalker
- Calygreyhound
- Mongolian Death Worm
- Maltese Tiger
- Queensland Tiger
- Bonnacon
- Dragon (all kinds)
- Peryton
- Minotaur
- Satyr
- Faun
- Dryad
- Cockatrice
Toho[]
- Godzilla
- Mothra
- King Ghidorah
- Angurius
- Rodan
- Baragon
- Kiryu
- Moguera
- Gigan
- King Caesar
- Jet Jaguar
- Zilla
Prehistoric/Extinct[]
- Woolly Mammoth
- Thylacine
- Tyrannosaurus Rex
Other Monsters[]
- King Kong
- The Blob
- Clover
- Dracula
- Frankenstien
- Mummy
- Zombie
- Creature from the Black Lagoon
Other[]
- Spawn
- Alex Mercer
- Jake Sulley
- Lara Croft
- James Bond
- Agent 47
- Tank
- Bomberman
- Despereaux
- 9
- 8
- 7
- 6
- 5
- 4 & 3
- 2
- 1
- Alien
- Predator
- Big Daddy
- Duke Nukem
- Nick Kang
- Marcus Reed
- Peter Griffin
- Stewie Griffin
- Homer Simpson
- Freedy Krueger
- Jason Voorhees
- Leonardo
- Donatello
- Raphael
- Michelangelo
- April
- Casey
- Splinter
- Shredder
- Ultrominator
- Green Power Ranger
- Black Power Ranger
- Pink Power Ranger
- Blue Power Ranger
- Yellow Power Ranger
- Red Power Ranger
- White Power Ranger
Ultimo[]
- Ultimo X
- Christina
- Raba
- Red
- Owlman
- Death
- Greyman
- Stick Man
- Death
- Ignatus
- Fire
Nintendo[]
NOTE: THESE CHARACTERS ONLY APPEAR ON THE NINTENDO SYSTEMS ONLY.
- Mario
- Luigi
- Peach
- Bowser
- Bowser Jr.
- Toad
- Link
- Zelda
- Ganondorf
- Samus
- Kirby
- Meta Knight
- Donkey Kong
- Fox
- Captain Falcon
- Samurai Goroh
- Pikachu
- Pokemon Trainer
- Mewtwo
- Pit
- Mr. Game & Watch
- Wario
- Waluigi
- Sukapon
Microsoft Game Studios[]
NOTE: THESE CHARACTERS ONLY APPEAR ON THE MICROSOFT SYSTEMS ONLY.
- Master Chief
- Arbiter
- Spartan-458 (Nicole)
- Tartarus
- Agent
- Blinx
- Ninja Fu Hiya
- Xui Tan Sour
- Nanashi
- Marcus Fenix
- Locust
Rare[]
- Banjo & Kazooie
- Conker The Squirrel
- Joanna Dark
- Kameo
- Hudson Horstachio
- Jetman
- Sabreman
- Juno & Vela
- Cooper
- Mr. Pants
Sony Computer Entertainment[]
NOTE: THESE CHARACTERS ONLY APPEAR ON THE SONY SYSTEMS ONLY.
- Kratos
- Sly Cooper
- Bently
- Murray
- Carmalita
- Panda King
- Ratchet & Clank
- Jak & Daxter
- Pipo Monkey
- Spike
- Jimmy
- Kei
- Yumi
- Sackboy
- Calypso
- Cole McGrath
- Drake
- Elena
- Lazrus Jones
- Ethan Mars
- Madison Paige
- Congar
- Kineteclops
- Preytor
Hasbro[]
- Optimus Prime
- Bumblebee
- Ironhide
- Ratchet
- Jazz
- Bulkhead
- Wheeljack
- Prowl
- Megatron
- Starscream
- Soundwave
- Shockwave
- Skywarp
- Swindle
- Brawl