Road To Wrestlemania features a big storyline where WCW returns, and invades.
Which is where Booker T and Kevin Nash come into the storyline.
Also there is this news:
"WCW Nitro and Clash of Champions arenas are real. Not made in Create-An-Arena. WCW portion of the story rocks as well."
Clash of Champions PPV is in, and so is Nitro with the correct stage.