The Missing Link is out sometime this month for Deus Ex: Human Revolution, and it's looking like it will be a great addition. Stated to add another five hours of gameplay, The Missing Link will bridge the gap between getting onto the Cargo ship and arriving at its destination. This is all known information. The Trailer is below, however for hardcore gamers, it does contain some spoilers, so you've been warned incase you don't wish to know any more than is already announced.
[showcase=deusexhumanrevolutionmissinglinktrailer,Deus Ex Human Revolution Missing Link Trailer]http://www.youtube.com/v/9sGItWUSuBk[/showcase]