Not only was the Metroid Prime 4 announcement surprising, but so too was the confirmation that the game isn't being developed by Retro Studios . Retro worked on the original trilogy of Metroid Prime games, and many fans were expecting the studio to return for Metroid Prime 4 , only to learn that the game is being developed by a brand new team. But if Retro Studios isn't working on Metroid Prime 4 , what could it possibly be developing? Its last game, Donkey Kong Country: Tropical Freeze , launch...