Apparently it was shown at Comic Con this year. I didn't go, mostly because I just didn't feel like it.. but now I wish I did go.
YouTube - Origins
Watch it before they take it down. But some noteable characters that are seen in the movie that I can make out
Obviously Wolverine and Sabertooth
at 1:54 you see The Blob
at 1:56 you see Deadpool (**** yes)
at 2:36 you see Gambit