Update: Marvel did the smart thing and released the trailer in HD on their YouTube page. Check that link below.
The first trailer for Avengers Age Of Ultron was supposed to be revealed during next week’s episode of Agents Of S.H.I.E.L.D, but as with how things go, it was leaked ahead of time. Courtesy of Dailymotion user, asdasdasd, enjoy the first trailer for Avengers Age Of Ultron.
http://www.dailymotion.com/video/x28g8nh_ap-tlr-1-int-360p_creation