While we saw a trailer for the upcoming Men in Black III last December, it felt more like a teaser, seeing as how it was a quickie trailer for an incomplete film with a troubled production and, at the time, apparently no written ending.  Now, we get a more polished trailer for the entirely unnecessary sequel, which finds Will Smith traveling back in time to save Tommy Lee Jones, whose younger self is portrayed by Josh Brolin.  While there is plenty of Will Smith hamming it up, Brolin’s impression of Jones is moderately smirk-worth.   Check it out after the jump.

Well, there you have it.  Lots of 1960s clichés—the film is apparently taking the Austin Powers approach to time travel—with Will Smith literally using the word shiznit, because apparently Will Smith using circa-1995 slang terms is still viewed as somehow fresh and funny, right guys?

That said, Josh Brolin’s impersonation of Tommy Lee Jones is amusing; however, after two and a half hours, it seems like a one-note joke that would get more than a little old by the end.  But hey, it’s a 3-D Will Smith summer movie in which he fights aliens, so it’ll probably do millions of dollars of business, and we’ll have to put up with this shiznit for several sequels to come.

What do you think of the trailer?