Board Thread:News and Announcements/@comment-1713281-20140728153450/@comment-4651179-20140728184046

Yes. It was in /co/ that I found the audio. It then appeared in the Marvel Cinematic Universe fan page and all over Tumblr.

The day of the panel there was a /co/ thread which was about the trailer (I would refresh it once in a while and see if someone posted a link), but it was taken down.