From io9.Because of their formatting I wont cut and paste the article but it might be a good one to look at so you can plan your sci-fi year!
The ones I am looking forward to
Oz the Great and Powerful (March

Oblivion (April 19/April 12 in IMAX)
Iron Man 3 (May 3)
Star Trek Into Darkness (May 17)
Man of Steel (June 14)
Pacific Rim (July 12)
Elysium (August 9)
and
Thor: The Dark World (Nov.

Whenever I've done similar release-date lists, I have always found it amusing/exasperating the way 8 followed by close-parentheses creates a "cool smiley" instead

2012 has really been a great year for all kinds of movies (including but not just comic book/scifi/fantasy/action), and I hope 2013 delivers that same variety.