Swiping this from lukeski.  The movies I intend to see for sure in the theatre are in bold, adding comments in italics where I could think of any.

May 9:
Speed Racer - Yeahhhhh boyyyyeeeeee!!!  I am so there.. this is a pre-recording.  I am so excited to see this... I can't express it adequately.
What Happens In Vegas

May 16:
Chronicles Of Narnia: Prince Caspian - Imma go see it but it's not bringing out the excitement in me like the first one.

May 22:
Indiana Jones: Kingdom Of The Crystal Skull - Indi-fucking-ana Jones!!  'Nuff said.

May 30:
Sex And The City

June 6:
Kung Fu Panda - Jack Black as a panda, yeah.  I am there.
You Don't Mess With The Zohan - I heard nothing about this until I was on, believe it or not, Gaia Online.  Watched the trailer and it had me cracking up.  I want to see this now.

June 13:
The Incredible Hulk - Seems like a slap in the face to Ang Lee but hey, the comic fanboy in me dictates I must see this.

June 20:
Get Smart - I've not seem much of Steve Carrolls work but he looks like he will make a perfect Maxwell Smart.
The Love Guru - Another one I had not heard of til I saw the trailer at Iron Man but it had me cracking up, worth a looksee.

June 27:
Wall-E
Wanted - I'm waffling on this one.  The concept has me totally intrigued.

July 2:
Hancock - Will Smith.  Superhero Powers. So there.

July 11:
Hellboy 2 - Fanboy comic flick.
Meet Dave

July 18:
The Dark Knight - Come onnnn?!  COME ON?!  Like I have to explain this?
Space Chimps

July 25:
X-Files: I Want To Believe

August 1:
The Mummy: Tomb Of The Dragon Emporer

August 8:
Pineapple Express

August 15:
Star Wars: The Clone Wars - Yep, so seeing this one. 
Tropic Thunder