Virtual Pro-Wrestling Salvo

Imported moves and taunts from later games
Running Special Grapples un-dummied (hold Control Stick while running when you have a Special; certain characters only)
New edit mode costume items
New Characters
Ric Flair (WCW 1)
nWo Sting (nWo White) (originally dummied out character)
Steve Austin (WWF)
Shawn Michaels (WWF)
The Undertaker (WWF)
The Rock (WWF)
Kane (WWF)
Cactus Jack (WWF)
Wrath (WCW 2)
Mitsuharu Misawa (AJPW)
Vader (AJPW)
Replacements
Shogun → Toshiaki Kawada (AJPW)
Executioner → Kenta Kobashi (AJPW)
Dr. Frank → Jumbo Tsuruta (AJPW)
Jekel → Dr. Death (AJPW)
Maya Inca Boy → Akira Taue (AJPW)
Hawk Hana → Gen'ichiro Tenryu (Free)
Kim Chee → Koji Kitao (Free)
Dake Ken → Atsushi Onita (Free)
Brickowski → Kodo Fuyuki (Free)
Ming Chee → Tarzan Goto (Free)
Han Zo Mon → Hayabusa (Free)

Source: TheGamesDB