No, it's not for another Sherlock Holmes flick, but rather a new 60-second trailer for the highly anticipated Call of Duty: Black Ops 2.
In this explosive Ritchie-directed live-action clip titled "Surprise," the actor makes a quick, but nevertheless memorable, appearance.
"Guess who brought a jet to a gun fight," quips Downey Jr. before attempting to fly out of harm's way.
The spot will have its official debut tonight during Monday Night Football. The game itself hits stores on Nov. 13.