User blog comment:D. Cello/Assassinews 03/05 -- ACWiki's Fan Section and AC3 first trailer/@comment-1888015-20120306025024/@comment-4705174-20120307163819

I think this trailer might be a part of the E3 trailer and and all does errors you mentioned are probably because the trailer is not finished and if i'm right and this is the E3 trailer then i'm sure all of those errors are going to be fixed when the full trailer is revealed at E3.