It's called "Surprise" and it was directed by Guy Ritchie and it involves a lot of people blowing each other up, including Tony Stark. That's about all you need to know.
Black Ops II is out on November 13 for just about every platform you can think of.
Now I need your help. I recognize Robert Downey Jr. obviously, but I don't know who anyone else in this trailer is. Do you recognize them? Let me know below.