The Ultimate Showdown

The Ultimate Showdown is a fighting game developed by Capcom. It is a four-way crossover between the DC Comics characters, Marvel Comics characters, Capcom characters, and Shonen Jump chatacters

DC Comics

 * Superman
 * Batman
 * Wonder Woman
 * Green Lantern (Hal Jordan)
 * The Flash (Wally West)
 * Cyborg
 * Green Arrow
 * Lex Luthor
 * The Joker
 * Sinestro
 * Nightwing
 * Deathstroke

Marvel

 * Captain America
 * Spider-Man
 * Wolverine
 * Iron Man
 * Thor
 * Hulk
 * She-Hulk
 * Hawkeye
 * Doctor Doom
 * Magneto
 * Loki
 * Storm
 * Cyclops
 * Punisher
 * Deadpool

Capcom
 * Megaman/X/Volnutt
 * Ryu
 * Chun-Li
 * Dante (Devil May Cry)
 * Zero (Megaman X)
 * Akuma
 * Bass (Megaman)
 * M. Bison
 * Arthur (Ghosts n' Goblins)
 * Viewtiful Joe
 * Morrigan
 * Falcon (Power Stone)
 * Asura (Asura's Wrath)
 * Chris Redfield (Resident Evil)

Shonen Jump

 * Goku (Dragon Ball Z)
 * Vegeta (Dragon Ball Z)
 * Adult Gohan (Dragon Ball Z)
 * Piccolo (Dragon Ball Z)
 * Gotenks (Dragon Ball Z)
 * Yusuke Urameshi (YuYu Hakusho)
 * Kuwabara (YuYu Hakusho)
 * Hiei (YuYu Hakusho)
 * Kurama (YuYu Hakusho)
 * Naruto
 * Sasuke
 * Sakura
 * Monkey D. Luffy (One Piece)
 * Ussop (One Piece)
 * Zoro (One Piece)
 * Dr. Gero (DBZ)
 * Younger Toguro (YuYu Hakusho)
 * Cell (DBZ)
 * Frieza (DBZ)

Boss Characters

 * Broly-Akuma

Plot
The most sinister Evil Geniuses from the four universes: Lex Luthor of DC comics, Doctor Doom of Marvel, Doctor Gero of Dragon Ball Z (Shonen Jump), and M. Bison of Street Fighter (Capcom) have colluded a plan to unite the four universes and take them over. Their plan is to fuse the two powerful warriors Broly and Akuma into a genetic war machine. It is up to the heroes from the four universes to stop them.