'A little traumatic': Chris Pratt reveals surprise reason he and Katherine Schwarzenegger don't let their kids watch his movies

EXCLUSIVE: Chris Pratt has played a guardian of the galaxy in Marvel's Avengers franchise, an animal behaviourist in a Jurassic sequel and, in his new movie Mercy, he's a cop on trial for the murder of his wife in an AI court.But the The Super Mario Bros. and Garfield star tells nine.com.au his kids won't be seeing the new drama – or any of his previous movies – for quite some time.And that's thanks to his father-in-law Arnold Schwarzenegger.Watch the video above.The father of four has three kids with wife Katherine Schwarzenegger – Arnie and ex-wife Maria Shriver's eldest child – and it was one of Katherine's set visits as a kid that set the precedent, Pratt reveals."My wife is very cautious around showing them anything," he admits to nine.com.au in London."Her dad was the Terminator, and she went to visit him on-set one day when his face was, like, half melted off and it was a little traumatic for her.READ MORE: Victoria Beckham's unexpected post after Brooklyn's statementREAD MORE: Singer welcomes baby girl following 'toxic mum group' dramaREAD MORE: 'Girl, put it down': Aussie star's advice to her 2016 self"So she's very careful around what she allows the children to see. And my three youngest have not seen anything that I've done yet."Pratt jokes that the minute his wife of six years steps out of the house, he's ready to start screening them to daughters Lyla, five, Eloise, three, and son Ford, 14 months."I'm waiting for her to, you know, go on vacation and I'll just give him the full movie marathon," he laughs.His older son, Jack, 13 – whom he shares with ex-wife Anna Faris – is the one who has some concept of what Dad does and is one Pratt normally video calls from set."I will do that periodically," he says, admitting he's a little like his Mercy character Chris Raven in that way, with the detective calling his daughter from his murder trial in the thriller."Sometimes my children don't like it."So, I have to be mindful if I'm, like, covered in blood and crazy hair and wigs and all of this stuff, I might not call them because they don't fully understand what my job is, and why does Daddy look like that?"But I will call my son sometimes with some of these looks, and he's like, 'Wow!'."Pratt admits it has gone wrong in the past accidentally."I recently did something on season two of The Terminal List where, when I called them, they were like, 'Daddy, are you OK?!'" he tells nine.com.au."I was like, 'Oh yeah, no, no, this is not real. Don't worry, honey'."While his father-in-law might have scuppered Pratt's plans to show his kids his movies from a young age, the Hollywood star tells nine.com.au he likes being able to chat shop with the 78-year-old film icon."I do periodically pick his brain, which is really a special blessing I have, that he has a very unique perspective on the world," Pratt says."And there aren't a lot of people in my life who can relate to some of the things that I get to experience and so that's really nice."For a daily dose of 9honey, subscribe to our newsletter here.While Pratt says he didn't lean on the former 'Governator of California' for this role, which explores how the justice system could look in the not-too-distant future as AI increase it's role in society, he does seek his advice in general."I do, I talk about roles," he tells nine.com.au."I talk about this promotional tour. I was just with him three days ago, and we were talking about this and where I'm going and he's got a very unique perspective, and was also an incredible marketer of his movies."So I talk to him sometimes like, 'Well, when you were doing that movie, how did you handle this?' And he gives me great advice."Mercy, also starring Rebecca Ferguson, hits Australian cinemas from today.FOLLOW US ON WHATSAPP HERE: Stay across all the latest in celebrity, lifestyle and opinion via our WhatsApp channel. No comments, no algorithm and nobody can see your private details.