This cant be a countdown. It still said Save_Us.222 last night on ECW. Here's what I figure will happen.
These ads will continue to run until Oct.7 at No Mercy. That night, Cena will win his match with Orton. Just as he begins to celebrate the lights will go out and the video will play.
The next night on Raw, Cena will begin to congradulate himself on continuing his winning streak, then the video will show again. Every Raw until Cyber Sunday the video will show whenever Cena is in the ring. At Cyber Sunday, Cena (champion) will be standing in the ring as the votes (pertaining to who will face him for his championship) are about to be shown. As the votes climb, the numbers go kookoo, and the video will play again. The term Save_Us.222 will stay on the screen, and will somehow change to Y2J. A pyro goes off, and the votes reveal that Y2J got 100% of the votes. Whether he becomes champion on that night, I'm not sure, but he probably will.
Some may think this is a bit far-fetched, but as far as I'm concerned, it incorperates most of the clues/hints/dates givin in the video that point to CJ. This is just what I figure will happen.