Contract Signing & More Announced For Tonight's Raw

WWE has announced the following for tonight's Raw from Atlanta:

Stardust returns
Dean Ambrose vs. Bray Wyatt
Nikki Bella addresses the Divas Division
John Cena's United States Championship Open Challenge
Intercontinental Champion Ryback & Randy Orton vs. Big Show & Sheamus
Contract signing between Brock Lesnar and Seth Rollins for their WWE World Heavyweight Championship match at WWE Battleground