Netizens are looking for this leaked Avengers: Age of Ultron trailer, but unfortunately the trailer has been removed from its original source. So we tried looking for alternative video source of that said trailer and luckily were able to find one. It was planned that Marvel will debut the Avengers: Age of Ultron trailer during Agents of SHIELD, but apparently that plan isn't working out.

Avengers: Age of Ultron trailer has now leaked online, but in a poor quality. The trailer is bundled with full team in action and includes a look at the Hulkbuster armor vs. Hulk, and of course, Ultron. We don’t really expect that this trailer will remain online for long. Here’s the leaked video, enjoy watching!

Update
So after the leaked Avengers: Age of Ultron trailer Trended over the internet ealier, Marvel uploaded the said leaked video on their Official Youtube Channel. Here's the video trailer