...or rather, release date for Xbox 360 and lack of release date for PS3 and PC.
According to this tweet, Terminal is set to launch on the Xbox 360 on July 17th for ELITE members and July 18th for non-ELITE members.
Mark Rubin later tweeted that there was no release date for Terminal on PS3 or PC at this time, and on this longer tweet, he confirms that Terminal, being a fan favourite, will be a free map and is not part of the Content Calendar.