Screenwriter David Koepp is the latest writer to come aboard Men in Black III, hired to work out certain script issues before production resumes on March 28.

Etan Cohen (Tropic Thunder) wrote the original script for the sequel. We reported back in November that Jeff Nathanson had been hired to rework the script, although a report from last month indicated Etan Cohen was back on the project. Now it seems David Koepp will be working on the script for "several weeks" before production starts.

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Barry Sonnenfeld is directing Men in Black III, which still has to shoot its period sequences set in the year 1969. The story follows Will Smith's Agent J, who travels back in time to meet a younger version of Agent K (Josh Brolin). Tommy Lee Jones reprises his role of Agent K in the present-day sequences. We also reported last month that Alice Eve will play the 1969 version of Emma Thompson's character in Men in Black III.