Are they coming out with a Warcraft 4?
No plans for a warcraft 4 have been announced. It has been stated that World of Warcraft is technically their "warcraft 4" because it has been ( and still is) continuing the storyline of the warcraft universe.
Is there a Warcraft 2 PC game on the internet like satrcraft FA is there any Warcraft game like that?
In World of Warcraft, Goblins are short green creatures that you do buisness with sometimes. They control the Neutral Cities of Booty Bay, Gadgetzan, Ratchet, Everlook, and Mudsprocket. Coming in Cataclysm, they will be a playable race for the Horde faction, and have several pretty decent racial abilities.
The whole storyline of World of Warcraft would be too big to fit into an answer. Here is a timeline of the games and expansions. More info can be found at the related link below. Warcraft: Orcs and Humans Warcraft II Warcraft II: Tides of Darkness Warcraft II: Beyond the Dark Portal Warcraft III Warcraft III: Reign of Chaos Warcraft III: The Frozen Throne World of Warcraft World of Warcraft: Assault on Blackwing Lair World…