A report on VentureBeat, states that Blizzard has reset their next MMORPG project "Titan" and that as many as 70 percent of the once 100 people strong team have been shifted to other projects. Instead of a proposed 2014 release to a release in 2016. Blizzard, through spokes person Shon Damron, pretty much confirmed that changes were being made in the following statement:
"We've always had a highly iterative development process, and the unannounced MMO is no exception. We've come to a point where we need to make some large design and technology changes to the game. We're using this opportunity to shift some of our resources to assist with other projects while the core team adapts our technology and tools to accommodate these new changes. Note that we haven't announced any dates for the MMO."
Apart from Titan, Blizzard currently has four teams - each working on expansions for World of Warcraft, Diablo III (and console) and Starcraft II as well as the new collectible trading card game Hearthstone: Heroes of Warcraft.