At least three people have been arrested at US showings of the new Batman film amid audience fears following the Colorado cinema massacre.
All were accused of making threats during or after watching the film in separate incidents.
Moviegoers in Sierra Visa, Arizona, panicked when a man who appeared drunk was confronted during a showing of the movie. The Cochise County Sheriff's office said it caused "mass hysteria" and about 50 people fled the cinema.
Michael Borboa, 27, was arrested on suspicion of disorderly conduct, and threatening and intimidating.
A Maine man was arrested when he told authorities that he was on his way to shoot a former employer a day after watching "The Dark Knight Rises," state police said.
Timothy Courtois had been stopped for speeding, and a police search of his car found an AK-47 assault weapon, four handguns, ammunition and news clippings about the mass shooting that left 12 people dead early Friday.
In Southern California, a man at an afternoon showing of the film was arrested after witnesses said he made threats and alluded to the Colorado shooting when the show did not start on time.
Los Angeles County sheriff's deputies were called to the cinema complex said 52-year-old Clark Tabor shouted: "I should go off like in Colorado." They said he then asked: "Does anybody have a gun?"
Meanwhile a woman whose husband was critically wounded in the attack has given birth to the couple's first child. Hugo Jackson Medley was born at the same hospital where his father, 23-year-old Caleb Medley, is in a critical condition. The hospital said both the baby and the mother, 21-year-old Katie Medley, are doing well.
The couple went to the midnight showing of the new Batman movie as a last date before officially becoming parents.