Jude Law in Captain Marvel
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Credit: Marvel Studios

Even Jude Law's kids had to swear to secrecy on the Captain Marvel set

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Nov 7, 2018, 4:25 PM EST

Just how tight is security on the set of a Marvel Studios movie? Apparently even children can't escape the Marvel Cinematic Universe's reach.

Jude Law showed up this week on The Late Show with Stephen Colbert where he was interviewed by the host about his upcoming roles in two major franchises, as the young Dumbledore in Fantastic Beasts: The Crimes of Grindelwald and as a character yet to be named in Captain Marvel.

While Law spoke to some degree about the Fantastic Beasts sequel, he was also careful with how much he did say about the film and his portrayal of the famous wizard. Captain Marvel was another matter entirely: not only was Colbert unable to get the actor to confirm that he is playing Mar-Vell (as widely rumored), but Law acknowledged that secrecy on Captain Marvel was so rigid that even his kids had to sign what are known as non-disclosure agreements (NDAs), which legally swear them to secrecy.

"My children visited the set," he recalled. "And (Marvel security) was running around going, 'Sign the NDAs! Who are these guys?' It was tight! Tight! Scary."

Law also acknowledged that the approach to security was vastly different between the two franchises, saying, "I think it might be this British-American difference. With Fantastic Beasts, they’re like ‘We assume you’re not going to give away any of these secrets. And if you do, we’re going to tell you not to again and we may quietly kill you.' In Marvel, it’s like, ‘Don’t you ever f**king tell anybody anybody about this!’"

The star also revealed that he was followed around on the set of Captain Marvel by a person who would direct him to drape a cloak over himself at a second's notice, apparently to hide Law from prying eyes trying to glimpse him in full costume.

Even though Colbert did his best, he still couldn't get Law to admit he was playing Mar-Vell, which means that those Marvel NDAs really do put the fear of God (or least Kevin Feige and Disney's lawyers) in the cast members...and their kids aren't talking either.

You can see Law in Fantastic Beasts: The Crimes of Grindelwald a week or so from now on Nov. 16, 2018, while his mystery role in Captain Marvel will be unveiled on Mar. 8, 2019.

Watch the whole interview below (via Slashfilm).