Call of Duty: Ghosts got it’s pre-e3 gameplay reveal, which included debut gameplay from the new dog and some additional scuba diving action. Gameplay inside.
Scuba Diving Gameplay
Oh, and here’s there fancy E3 widescreen-megatron-screen-a-tron.
However if you feel like re-watching the entire presentation, you can do so over at callofduty.com.