User blog comment:Arbington/BioWare will be at Comic Con, and so will new Mass Effect info./@comment-1503545-20120706162804/@comment-24174486-20120709225227

I think more proof than "people are hacking MP weapons into SP, so EA is obviously going to charge people for the weapons" is needed.

Odds are they'll integrate at least some of the MP weapons into single-player DLC.