After 10 months of rehabbing his surgically repaired knee, here's how Rey Mysterio spent his first seven days back in WWE:

1) He made a triumphant return over Chavo Guerrero at SummerSlam;
2) he defeated not one, but two opponents in a Championship Competition at his first SmackDown back, thereby distinguishing himself as the No. 1 Contender to The Great Khali's World Heavyweight Championship at Unforgiven; and
3) he accepted a challenge from Chavo Guerrero for another "I Quit" Match -- the very contest that last November resulted in knee surgery for the masked Superstar -- this Friday night on SmackDown.

And you think you had a busy week.

Of course, there are those who might argue that the lightning-fast Sultan of the 619 is moving too fast for his own good. Even the least experienced ring competitor knows to bide their time before making a play for sports-entertainment's ultimate prize. Mysterio, on the other hand, immediately dismissed any rumors of "ring rust" by grabbing three victories, just to earn contention against a monster that's almost two feet taller, and weighs nearly 250 pounds more. But first he's agreeing to battle a sadistic archrival in a match that's synonymous with torture and humiliation.

Forgive us, but WWE.com has to ask: Is Rey Mysterio's mask strapped on too tight? Why is he trying to accomplish so much in so little time?

"When I was coming back, I had spoken about wanting to become World Champion again, or at least having the opportunity to prove myself one more time," Rey replied in SmackDown's locker room last week, following his Championship Competition victory. "And now here it is, in front of me. It wasn't something that I expected to happen right off the bat, but now I've got to take advantage of the moment. I've got to make sure that I can be able to relive the dream that I once had."

Unfortunately, standing in the way of the former World Champion's dream is the current title holder -- a 7-foot-3, 420-pound Punjabi nightmare. And the wakeup call is set for Unforgiven one week from this Sunday.

"It's going to be a difficult match for me, definitely," Rey admitted. "I'm going to have to think and rethink how I'm going to handle The Great Khali at Unforgiven. I faced him once before in San Diego [last year on SmackDown], but I wasn't able to do anything to him. Now I have to sit down, watch the tape of that match we had, then rewind it and rewind it as many times as I can to find his weak spot. Everybody has a weak spot, and I think Rey Mysterio's going to find it in The Great Khali."

Check out Rey's Master of 619 t-shirt...