Randy Orton vs. Kane was officially announced at the SmackDown taping for WrestleMania 28.

Here is the updated WrestleMania 28 card:

The Rock vs. John Cena.

Hell in a Cell: The Undertaker vs. Triple H (w/Shawn Michaels as special referee)

WWE Title match: C.M. Punk vs. Chris Jericho.

World Heavyweight Title match: Daniel Bryan vs. Sheamus.

Intercontinental Title match: Cody Rhodes vs. Big Show.

GM vs. GM Match For Control of Raw and Smackdown: Team Long (Captain - Santino & Kofi Kingston (?) & R-Truth (?) & three other members ) vs. Team Laurinaitis (Captain - David Otunga & Mark Henry & four other members)