We already brought you the first trailer, now the second teaser for the third instalment of the popular Will Smith and Tommy Lee Jones starring Men In Black sci-fi, comedy, blockbuster franchise has just been unveiled. Watch it after the jump.

Synopsis: The MIB duo of Agent Jay (Will Smith) and Agent Kay (Tommy Lee Jones) are back in action. When the world is threatened by an evil alien, Agent Jay travels back in time to 1969, where he teams up with the younger Agent Kay to stop an evil villain named Boris (Jemaine Clement) from destroying the world in the future. Emma Thompson will play take-charge MIB operative Agent Oh, who is monitoring a prison breakout.
MIB3 will hit screens on May 23rd 2012 UK (May 25th US)