It was announced at this weekend's WonderCon that new full length trailers for both Star Trek and Terminator Salvation will be premiering in front of Watchmen when it opens on Friday. These are said to be the last new trailers before both films get released in May.

The upcoming previews offer plenty of new footage from each film. The trailers were greeted with enthusiastic applause as they were shown for the first time at San Francisco's premier comic and film convention.

Star Trek opens May 8th. Terminator Salvation opens May 22nd. You can catch a fresh look at both films when Watchmen opens this Friday, March 6th, 2009.