Here is WWE.com's preview for tonight's edition of WWE RAW from Chicago:

- Mr. McMahon makes his return to WWE television.

- Intercontinental Champion William Regal defends against CM Punk
Both times CM Punk has faced Intercontinental Champion William Regal, the matches have ended in disqualifications. To ensure that their next bout ends with a satisfactory finish, Stephanie McMahon decreed that the two will face one another in a No Disqualification Match on Raw.

- Royal Rumble contract signing
Heavyweight Champion John Cena and JBL seal their fates on Raw as The Champ and the challenger sign the contract for their title bout, days before the Royal Rumble. Will HBK be present, one week after felling Cena

- Mike Knox vs. Rey Mysterio
Though Mike Knox has yet to give a reason for his attacks, it hasn't stopped him from assaulting Rey Mysterio numerous times in recent weeks. The Ultimate Underdog will get his chance for revenge as the two ring warriors face off on Raw.