That looked way too good to be in-game. If it is then I'm legit shook.
if that is from the game engine, I am ready for that.. wow.
That looked in-engine.
looks awesome.
Guys stop setting yourselves up for disappointment.
The day a developer shows amazing in-game graphics in the reveal trailer you can rest assured they'll plaster it with "this is in game footage". Until that day always assume it's CG or a target render.