User blog comment:Damac1214/Rumor: Map Pack 3 Leaked + Map Pack 3 Reveal Trailer coming soon/@comment-88.115.150.210-20130618093519/@comment-1055346-20130618144310

They did... but considering the only ever said it in one tweet and never actually announced it to the community (It was a response to someones question) I feel it's something that could have changed between map packs.