40th annual Comic Con Convention held in San Diego

Visitors dressed as DC Comics' (L to R) Hourman, Atom and Flash walk during the 40th annual Comic Con Convention in San Diego July 24, 2009. The convention runs from July 23 to July 26

Visitors wear 3D glasses as they watch a preview of the upcoming movie "Avatar" during the 40th annual Comic Con Convention in San Diego July 23, 2009. The convention runs from July 23 to July 26.

Visitors Dan Rutherford (R) and Kelly Bailey, dressed respectively like The Mad Hatter and Alice Kingsley from "Alice in Wonderland," pose during the 40th annual Comic Con Convention in San Diego July 23, 2009. The convention runs July 23-26.

Two visitors wear masks from movie "V for Vendetta" as they walk during the 40th annual Comic Con Convention in San Diego July 23, 2009. The convention runs July 23-26.

Visitor Genevieve Nylen, dressed as the character of Corpse Bride from the movie "Corpse Bride," poses during the 40th annual Comic Con Convention in San Diego July 23, 2009. The convention runs July 23-26

An artist rendition from the upcoming movie "TRON 2.0" is shown during a panel discussion during the 40th annual Comic Con Convention in San Diego July 23, 2009. The convention runs from July 23 to July 26.
(Xinhua/Reuters Photo)