AMC theatres released the following video in which Daniel Radcliffe tells you that AMC will debuting an exclusive new trailer for The Woman in Black in front of Twilight Breaking Dawn + you can win a trip to the London premiere of TWiB [US only]. To enter see the video and click on the picture below.
Update: 18th November. DR.co.uk announced that the trailer will be released online Tuesday 22nd November.
The info from CBS/AMC Theatres: