According to WWE.com, here is the updated Backlash card for this Sunday (including a Tag Team Championship match just added):
WORLD HEAVYWEIGHT CHAMPIONSHIP
Champion Batista vs. HHH
HASSAN & DAIVARI vs. MICHAELS & HOGAN
INTERCONTINENTAL CHAMPIONSHIP
Champion Shelton Benjamin vs. Chris Jericho
LAST MAN STANDING
Edge vs. Benoit
Kane (w/Lita) vs. Viscera (w/Trish)
TAG-TEAM TURMOIL
Champions Regal & Tajiri vs. the Heart Throbs vs. Hurricane & Rosey vs. La Resistance vs. Maven & Dean
Also on WWE.com, if you order the Webcast of the PPV, you get the following WWE Jukebox matches as part of the deal:
*Bob Backlund vs. Iron Shiek (WWF title change, 12/26/83)
*Hulk Hogan vs. Iron Sheik (WWF title change, 1/23/84)
*Cactus Jack vs. Randy Orton (WWE Backlash 4/18/04)
*Ric Flair vs. The Giant (WCW title change, Nitro 4/29/96)
*Rob Van Dam vs. Lance Storm (ECW Barely Legal, 4/13/97)
*Sting & Ric Flair vs. Terry Funk & The Great Muta with Bruno Sammartino as the special referee – Thunderdome (NWA Halloween Havoc, 10/28/89)
*Razor Ramon vs Vader (WWF In Your House 4/28/96)
Credit: WWE.com