I want the Misty Mountains, with that crow (I forgot the name :P).
And Smaug at the bottom of it! AWESOME!
Raöc the Raven? I love that bird. Though I don't think he'll appear/speak in the movies. They didn't let Gwaihir speak, or maybe that will come in the next movie. Who knows, but talking animals doesn't sound like Peter Jackson.
I think the Elf Army one is that scene in the trailer where Azog shows up again, cause if you look closely you see an Elf being downed by an Orc in the corner. Also if Azog is going to be in any sets this year, it'll be this one.
Also: Should we make pages for these sets? No they haven't been confirmed, but neither was the Frodo and Ringwraith set or the Eagle's Nest set.