
There was some shenanigans with the director not being in on the editing. It doesn't bode well.
( ,
Tue 13 Mar 2012, 14:36,
archived)

but other films due out around that time have had teasers and full trailers released already
( ,
Tue 13 Mar 2012, 14:47,
archived)

the only other reason would possibly be post production CGI getting delayed?
(All the stills I've seen so far look like they were shot behind a car park somewhere, which lends weight to this theory.)
( ,
Tue 13 Mar 2012, 14:54,
archived)
(All the stills I've seen so far look like they were shot behind a car park somewhere, which lends weight to this theory.)

they're having to go through the whole film and shrink his giant noggin to stop people pissing themselves laughing
( ,
Tue 13 Mar 2012, 15:01,
archived)