Families of these killed whereas watching a Batman movie in 2012 have written to Warner Bros with considerations in regards to the new Joker movie and urging the studio to affix motion in opposition to gun violence.
Twelve people died in a cinema exhibiting The Dark Knight Rises in Colorado.
They included Jessica Ghawi, 24, whose mom Sandy Phillips instructed BBC News she was “horrified” by the Joker trailers.
Warner Bros mentioned the movie – which stars Joaquin Phoenix – was not an endorsement of real-world violence.
Phoenix walked out of a recent interview when requested in regards to the subject.
Sandy Phillips and her husband, Lonnie, who run Survivors Empowered, an anti-gun violence group, wrote to Warner Bros together with three others whose kinfolk had been killed, injured or caught up within the 2012 shooting.
Speaking to BBC News, Mrs Phillips mentioned: “When I first noticed the trailers of the film, I used to be completely horrified.
“And then once I dug just a little deeper and came upon that it had such pointless violence within the film, it simply chilled me to my bones.
“It just makes me angry that a major motion picture company isn’t taking responsibility and doesn’t have the concern of the public at all.”
The households’ letter mentioned: “When we realized that Warner Bros was releasing a film known as Joker that presents the character as a protagonist with a sympathetic origin story, it gave us pause.
“We assist your proper to free speech and free expression. But as anybody who has ever seen a comic book ebook film can inform you: with nice energy comes nice accountability. That’s why we’re calling on you to make use of your huge platform and affect to affix us in our struggle to construct safer communities with fewer weapons.”
The letter requested the studio to foyer for gun reform, assist fund survivor funds and gun violence intervention schemes, and finish political contributions to candidates who take cash from the National Rifle Association.