Look at the Mass Effect 3 part.
It will debut at GamesCom looks like it. http://twitter.com/miladesn/statuses/99629370158755840
Quote from the mag.
"Well, if you believe the rumours - which we certainly do - ME3 will have MP. According to various sources, there will be a batch of 3 player co-op missions that run parallel to the main story, with each player assuming the role of a single squad mate. It seems likely that this will happen, and it'll form part of EA's Online Pass system. However devs have been known to ditch MP during development in the past, if it doesn't work..."