The 2-minute 25-second preview shows James Bond appearing to plummet to his death after being shot by a government operative (Naomie Harris) under orders from M (Judi Dench).
Daniel Craig returns for his third outing as 007, with the plot seeing a figure from M's past returning to haunt her after a drive containing the identity of covert MI6 agents is lost.
A special Skyfall London 2012 Olympics TV trailer was recently broadcast on NBC.
Javier Bardem, Ralph Fiennes, Ben Whishaw and Bérénice Marlohe co-star in Skyfall, opening in cinemas and IMAX screens on October 26 in the UK and November 9 in the US.
All previous 22 007 movies will be released in a Blu-ray boxset for the first time on September 24 to mark the 50th cinematic anniversary of Ian Fleming's spy.
Photo gallery - Skyfall in pictures:
