Mass Effect 4 is due to be released in Spring 2015, according to B-Ten.
They report that they have been in contact with a member of the team in Bioware who stated that “if I was you, I’d get to playing the Mass Effect trilogy before next spring…” Though Bioware and EA have yet to confirm any release date for the new Mass Effect they have teased us with pictures from it’s development on Twitter in the past.
Something else that may add possible credance to this theory is the Tweets of @shinobi602 last week who said “I’m being told some things that are putting a grin from ear to ear right now.” When asked for further information, he tweeted a picture of a galaxy, which would seem to link to Mass Effect.
With Bioware due to release Dragon Age: Inquisition on October 7th, that would leave plenty of time between releases of their two major franchises. Whether this date is true remains to be confirmed, but it may be worth keeping an eye on E3 this year just in case.