User blog comment:Arbington/New ME4 Teaser Pics, Possible Upcoming Reveal/@comment-1679409-20131114091848/@comment-77.107.190.116-20131115053513

I don't know - ME3 got its first tease at the 2010 VGAs for a 2012 release, and ME1 was first teased in 2005 and released two years later. Technically there is no reason why they couldn't tease it now for a 2015 release, especially if they do have a working model.