July 22, 2012
A person wearing Batman gloves, center, watches the premier of "The Dark Knight Rises" inside the Liberty Science Center IMAX theater during the museum's first attempt at showcasing a full length Hollywood feature film on its premier day, Friday, July 20, 2012, in Jersey City, N.J.
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The mass shooting at a Colorado movie theater rattled the nerves of some other moviegoers with opening weekend tickets for the new Batman film and led some cinema chains to add more guards. Experts say it's unlikely, though, that venues will implement even stricter security measures because it would significantly alter the experience of going to a film, concert or game.