Warner Bros. said in a statement, "Warner Bros. is deeply saddened to learn about this shocking incident. We extend our sincere sympathies to the families and loved ones of the victims at this tragic time."
A crew in Paris is working to tear down what would have been the backdrop for a fancy red carpet event.
Entertainment Weekly reports security will beef up at New York theaters screening the film. Police Commissioner Ray Kelly said in a statement: "As a precaution against copycats and to raise the comfort levels among movie patrons in the wake of the horrendous shooting in Colorado, the New York City Police Department is providing coverage at theaters where the The Dark Knight Rises is playing in the five boroughs."
The Motion Picture Association of America has responded with a statement as well: "We share the shock and sadness of everyone in the motion picture community at the news of this terrible event. We extend our prayers and deepest sympathies to the victims, their loved ones and all those affected by this tragedy."