People thought Alcatraz was Prophet because he was wearing the suit.. so I guess that's what they're saying..?
There's also some funkiness with Prophet's consciousness roaming around in the suit, but that wasn't quite explained.
Anyways, I'm glad they're finishing it as a trilogy. I'm not surprised by the fast turn around for the third.. based on what I saw on my PC, I'd say there's very little more they could squeeze into a new build that consoles could still handle.
I will say I thought Crysis 2 was a blast to play for a shooter. I just think the standard shooter doesn't hold as much appeal as it once did in this age of RPG/shooters.