Well there is a post floating around from Zynga wanting you to decipher a code and gain access to a "top secret" sneak peak!
Here is the blog post it takes you to..
|(http://zyn.ga/5nM <-- Sneak a peek!)|
Answer correctly and it takes you to this page explaining that with the upcoming release of the new x-men movie there will be a mafia wars tie in. X-men loot will soon be available, later this week actually! Probably in a familiar collection event or a random loot drop event. But either way the X-men are coming!