Casey Hudson, the ‘executive producer of the Mass Effect series’, has tweeted that Bioware are working on ”a completely new Mass Effect game” and has also asked fans what they want to see.
Here's the tweet:
We're in early stages of designing a completely new Mass Effect game. What would you want to see in it?
Mass Effect 3 was released on March 2012 in which EA received a lots of complaining about the ending.