I know the only NYC Imax that is a real Imax is the Lincoln Square one, which is where I saw TDKR. We had no trailers at all.
That CBM description is fairly worthless. "It has lots of action, it's really good, and you see Zod!"
It's like a "psychic" who throws obvious, intuitive stuff at the wall hoping it sticks so they can point out they were right. I mean, the only detail they have is that Zod appears? I can actually confirm that I've seen the trailer as well and Superman also appears.
Regardless, lets all hope they're right and that the trailer is awesome. This movie needs buzz.