The movie "Monsters vs Aliens comes out in theaters on March 27th, 2009.
2009
its out already
If you mean the Lightning Thief, it has already come out in theaters. You can purchase it on DVD now. If you mean the Sea of Monsters, it is not confirmed. Some assume it will be 2012.
try last year
Percy Jackson: Sea of Monsters was released August 7, 2013.
Yes and they did.
August 16, 2013
It probably won't come out at all because the first movie didn't make enough money.
2011 may 17. not 2012
In Theaters April 29
The movie "Predators" come out in the theaters in July 9, 2010.
The Sea of Monsters is said to come out on 2012. Day and Month are not said yet. But some are saying March 27, 2013