A blue just confirmed on Twitter that the Spirit of Competition will not be making a re-appearance this year.
"There's no Spirit of Competition reward this year. The expansion's kept us busy and contains MANY pets (handle them). ;)" - ZarhymAlong the same line, it sounds like there won't be any Olympics-themed companion for 2012. Huge bummer. :(
I was hoping for a UK inspired dog/puppy pet, in honor of the Olympics being held in London, but I guess it wasn't meant to be. I'd be lying if I said I wasn't disappointed. On the other hand, I do appreciate the fact that devs have been working hard to bring us over 200 new pets to collect in MoP, plus the whole new Pet Battles feature.
Well, here's hoping that a new dog/puppy model for a companion will eventually be implemented in the future.