SONY INSIDER [1] reports that Sony Pictures has brought David Koepp on to rewrite Etan Cohen's script for MEN IN BLACK III. The new story finds Agent Jay (Will Smith) transported back to 1969 where he teams with a younger Agent Kay, played by Tommy Lee Jones in the present and Josh Brolin in the past. Barry Sonnenfeld will return as director, as well as Walter F. Parkes and Laurie MacDonald as producers and Steven Spielberg as exec producer.
Links:
[1] http://www.sonyinsider.com/2010/06/10/men-in-black-3d-teaser-clip/