Left 4 Dead 2 will be shown and playable during the upcoming Comic Con in San Diego, CA.

After debuting "The Parish" campaign (set in the New Orleans' French Quarter) at E3, the Comic Con showing will unveil "Swamp Fever", the second of the five campaigns shipping with L4D2 this fall. The game will be playable in the EA Gaming Lounge Presented by Xbox 360 from 2-9 pm Thursday-Saturday, and 12-5 pm on Sunday. The EA Gaming Lounge will be located in the Hilton San Diego Gaslamp Quarter Hotel, 401 K. Street.

In addition to the new campaign, Valve is also planning to unveil a few more of the 20-plus new items coming this November when the title launches worldwide on the Xbox 360 and PC. For more information, please visit www.l4d.com