Principal photography began on November 16, 2010. It was originally slated to commence on October 18, 2010, and continue until May 2011 in New York City,with shooting starting in 2010 partly in order to take advantage of a New York tax break in which the state rebates 30 percent of production costs incurred there.Filming was split into two parts, the first taking place from November until about Christmas 2010; the filmmakers announced shooting would begin again in mid-February, but it was delayed until April.
The first set photos for the film turned up online on November 17, 2010 showing Will Smith, Tommy Lee Jones, Emma Thompson, and Nicole Scherzinger on set. Shooting was scheduled to resume from March through June 2011. Filming was done in April 2011 in the Morris Park section of The Bronx. Parts of Coney Island, in Brooklyn, had parking and filming permits posted for April 24 and May 2-4, 2011, production dates of what the permits titled MIB

Although the press release mentions that Brolin will play a “young Agent Kay,” we’re going off of Deadline’s plot possibility, which says MiB3 will use the aforementioned time travel storyline where Agent J (Smith) travels back to the year 1969 to meet a younger version of Tommy Lee Jones’ Agent K (or Kay, however you want to spell it). However, there’s no word on exactly what needs to be done in 1969, but I’m willing to bet that it will have something to do with the historical moon landing in that same year. I’m still hoping the casting rumor about Jemaine Clement and Sacha Baron Cohen joining this in some capacity is true, too!
“We couldn’t be more excited that the original filmmaking team responsible for the first two worldwide hits is reuniting for this third installment. We love where the story is taking Agents Jay and Kay and know this new chapter will deliver a fresh fun twist for fans of the franchise while also introducing the Men in Black to a whole new generation of moviegoers,” said Jeff Blake, Chairman of Sony Pictures Worldwide Marketing.
Agent Jay travels back in time to 1969, where he teams up with a younger version of Agent Kay to stop an evil alien from destroying the future.
The film was first announced on April 1, 2009, by Sony Pictures Entertainment president Rory Bruer during a Sony ShoWest presentation. By October 2009, Etan Cohen had been hired to write the screenplay As of March 2010, Will Smith remained undecided whether to join this film or another, The City That Sailed. Director Barry Sonnenfeld in May 2010 confirmed the return of the protagonists played by Tommy Lee Jones and Smith. Both had expressed interest in 2008 in reprising their roles. Other staff includes Walter F. Parkes and Laurie MacDonald as producers, with Steven Spielberg as executive producer; all were producers of the two previous films.
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