If you saw the way his action stunts were shot in the first three M:I movies, he has physical abilities beyond what a Batman, Captain America or Six million dollar man could do. So yes they really are superhero movies.
I've known since March that Lorre was going to **** Charlie off, in the most funny and humiliating way.
http://www.tmz.com/2011/06/27/charlie-haper-dies-tragic-death-charlie-sheen-two-and-a-half-men-chuck-lorre-ashton-kutcher-car-cliff/
The probability is we'll have to get out of the solar system and explore, finding hundreds if not thousands of microbe and simple plant life, before we encounter any ***** civilizations.