Seth Rollins vs. Randy Orton has been made official for WrestleMania 31. Also, Goldust, Heath Slater, and Mark Henry have been added to the Andre The Giant Memorial battle royal.
Here is the official WrestleMania lineup:
WWE World Heavyweight Championship
Brock Lesnar vs. Roman Reigns
Sting vs. Triple H
Bray Wyatt vs. The Undertaker
United States Championship
John Cena vs. Rusev (champion)
Randy Orton vs. Seth Rollins
Paige and AJ Lee vs. The Bella Twins
Intercontinental title Ladder match
Names announced: Bad News Barrett (champion), R-Truth, Dean Ambrose, Luke Harper, Dolph Ziggler, Stardust, and Daniel Bryan.
Andre The Giant Memorial Battle Royal
Names announced so far: The Miz, Curtis Axel, Ryback, Fandango, Adam Rose, Zack Ryder, Jack Swagger, Titus O’Neil, Darren Young, Big Show, Kane, Erick Rowan, Damien Mizdow, Sin Cara, Goldust, Heath Slater, and Mark Henry. There are three slots remaining if they plan on having 20 guys in the battle royal.