I was just looking in the IMDB Cast/Crew List for AvP2 and found an interesting entry:
Ian Seabrook …. underwater camera operator
So perhaps there will be an underwater scene in AvP2. Maybe a car or something crashes into a river or a lake. Makes sense I guess. AvP2 was filmed in Port Moody and Coquitlam amongst other cities which are situated right next to rivers. As for Ian Seabrook, the camera operator, he’s worked on many films and tv series over the years including X-Men 2/3 and Smallville.