Movies for Grownups Weekend Preview: Oct. 4

From disaster in Earth orbit to death in the Himalayas, to gunshots in Dallas, this week’s top new movies serve up some pretty tough meat. Luckily there’s at least one new comedy to lighten things up. The New Stuff: Gravity Stars Sandra Bullock and George Clooney are fine and the film’s visual recreation of a space voyage is breathtaking (especially in 3-D), but co-writer/director Alfonso Cuaron should have launched with a decent script. FULL REVIEW   Save $3 off any size popcorn …