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FILE - In this July 22, 2011 file photo, actor William Shatner answers a question during a panel for the movie "The Captains" at the Comic-Con International 2011 convention in San Diego. "Wonder Woman," "Star Trek" and "Aliens" are among the long-running entertainment franchises that will be celebrating milestones at this week's San Diego Comic-Con. The "Star Trek" anniversary will be toasted outside the San Diego Convention on Wednesday evening, July 20, 2016, and the U.S. premiere of "Star Trek Beyond," on Friday. (AP Photo/Denis Poroy, File)

Comic-Con 2011

The pop-culture convention begins Thursday in San Diego.