Dark Hunter:

Monster Hunter 4: Nintendo 3DS


Latest Trailer & Updates:

Returning Monsters: So Far
Rathian
Rathalos
Tigrex
Velocidrome
Great Jaggi
Yian Kut-ku
Gypceros
Congalala
Khenzu
Gendrome

New Additions:
Kechawacha: Pelagus Species
Goa Magara, the black wyvern
Nerusukyura, a Spider like carapaceon/neopteron
Tetsukabura, a hippo like rhino
a gaint sand wyvern
2 serpent like wyverns, one prob. being an elder.

New Weapons:
Misaomushi Cane: Launches insects, which can give your character status boosts.
Not sure on the cat cannon combo yet.
Charge Axe: Looks like I was half right. The latest weapon can switch between axe and sword plus shield.

Kyouryuu virus:
Giving its a capcom game and the latest trailer, I could understand why people are thinking its a zombie virus. But I doubt it XD