Top-US-Grossing Sci-Fi Titles Released in 2010

[3] Tron
The son of a virtual world designer goes looking for his father and ends up inside the digital world that his father designed. He meets his father's corrupted creation and a unique ally who was born inside the digital world.
The supervillain Megamind finally defeats his nemesis, the superhero Metro Man. But without a hero, he loses all purpose and must find new meaning to his life.
Strange lights descend on the city of Los Angeles, drawing people outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth.
Set in the near future when artificial organs can be bought on credit, it revolves around a man who struggles to make the payments on a heart he has purchased. He must therefore go on the run before said ticker is repossessed.
its compact, its light, its everything you want in a new liver. 
[11] Enthiran
Dr. Vasi, a brilliant scientist, builds Chitti, a unique robot, who is programmed to protect mankind and also feel human emotions. Problems arise when Chitti falls in love with Dr. Vasi's girlfriend.
Six years after Earth has suffered an alien invasion, a cynical journalist agrees to escort a shaken American tourist through an infected zone in Mexico to the safety of the U.S. border.
Despite being under heavy sedation, a young woman tries to make her way out of the Arboria Institute, a secluded, quasifuturistic commune.
(shows RGB) We can guide you to a new happier you. 
The crew of a space shuttle encounters problems when hit by a "space anomaly".
[20] Zenith
A retro-futuristic steam-punk thriller, about two men in two time periods, whose search for the same grand conspiracy leads them to question their own humanity.
Berkeley record store clerk Nick Brady (Jonathan Scarfe) begins to experience strange visions from an entity he calls VALIS