Capcom World 2 was released in June 1992 in the Japanese arcades. It was known there as the 20th video game made for the CP-S system. The game was never exported outside Japan.
This game features a multitude of characters from several Capcom games! Here they are listed by source game title :
Captain Commando: Captain Commando, Baby Head (Baby Commando), Mack the Knife (Mummy Commando), Ginzu the Ninja (Ninja Commando), Carol, Doppel, Dr.T.W. (with the Monster), Marbin, Scumocide and Wooky (with a Robot).
Final Fight: Cody, Guy, Haggar, Abigail, Edi E., Poison, Rolento and Sodom.
Forgotten Worlds: Unknown Soldier, Dust Dragon and the girl from the shop.
The King of Dragons: Cleric, Dwarf, Elf, Fighter, Wizard and Gildiss (the final boss).
Knights of the Round: Arthur, Lancelot, Perceval, Garibaldi (or Arlon?) and Scorn.
Magic Sword: Lizardman, Theif, Drokmar, Quimyra and several unnamed characters (player one, the cloak and dagger baddie, the skull wizard baddie and the dragon).
Mega Man III: Megaman, Dr. Light, Dr. Wily, Protoman, Geminiman, Hardman, Shadowman, Snakeman, Hammer Joe and Mon King.
Street Fighter II: Blanka, Chun Li, Dhalsim, E. Honda, Guile, Ken, Ryu and Zangief.
Strider Hiryu: Itself
Three Wonders: Gaia, Laru (the one with the sword) and an unnamed rabbit (player one from the 'Don't Pull' segment).
Two of the game's characters (Pure & Fur) appear as assist characters in "Marvel vs. Capcom - Clash of Super Heroes".