Today at GDC Konami announced that both the Phantom Pain and Metal Gear Solid: Ground Zeros would combine to make up Metal Gear Solid 5: The Phantom Pain. MGSV will be an open world game, and David Hayter will not be doing the voice of Snake.
In a gameplay demonstration shown at GDC, Snake has awoken from a nine year coma. With help from a fellow patient named Ishamael, they escape from the hospital in an on-rails shooting sequence. It was also stated that after this initial tutorial stage of escapting the hospital, Snake will be able to freely explore the open world of Metal Gear Solid 5: The Phantom Pain.
Below you can find Konami’s official trailer for the game.