Epic has just announced that on May 28, during two of the largest and most important sporting events in the world, the Champions League and the NBA Playoffs, at exactly 9:45 pm GMT (the 23:45 local time) will release a trailer which shows scenes of the single player campaign and gameplay. In the meantime, the software company has released a teaser trailer, a few seconds, that you can clearly see the team captained by Marcus Fenix ​​and his father, Adam, and through a video message asking for help.
Gears of War 3 - Teaser Campaign | HD version