World of Warcraft : Report: "Cataclysm" a New Expansion?

Is "Cataclysm" the name of Blizzard's newest expansion? Will we see Goblin's & Worgen as races in this potential expansion? More importantly, will it be making its debut at BlizzCon this year?

So, what am I talking about?

Odds are you've already heard about this story, after all it has been floating around the internet for a little while now. But for those who haven't, Blizzard has recently filed a trademark for the name "Cataclysm" as discovered by this Tumblr blogger. Since then, it has led many to speculate that "Cataclysm" will be the name of Blizzard's next expansion.

Putting aside general speculation here, there is some evidence that would lend credibility to this claim. For example, the word "Cataclysm" has some history within the timeline of Azeroth. The Cataclysm was a world shaping event also known as The Great Sundering.

Also, new Halloween mask textures were discovered within the data of a recent update to the World of Warcraft Public Test Realm. The new masks featured both male and female Worgen's and Goblins. The last time Blizzard added new Halloween masks was when the Blood Elves and Draenei were coming to the game.

Is this all a coincidence? Or can we expect a big announcement at this year's Blizzcon? Only a few more weeks until we find out!