The pair had begun promotions for the film back in March - when Mila had yet to confirm she was expecting her first child - but it was unexpectedly taken off the 2014 release schedule.
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It's been a big year for the 31-year-old actress who is expecting her first child with fiancé Ashton Kutcher any day soon.
HOLLYWOOD'S LEADING MEN JOIN FORCES AT CHARITY DINNER
She has recently been seen out and about displaying her prominent bump as she gets the last few essentials before the baby arrives, while Ashton as his Two and a Half Men character also prepares for the arrival of a new baby. has been joking about "nesting",
On Wednesday the actor shared a photo of his living room on the show filled with large stuffed animals, toys and miniature cars as part of his character Walden Schmidt's adoption storyline.
"Nesting.... Too much?" 36-year-old Ashton captioned the image, which some fans initially thought was a look inside his and Mila's home.
The pair first met many years ago on the set of comedy That 70's Show, and Ukraine-born Mila recently opened up on how getting engaged and expecting a baby were a far cry from plans she made when she was younger.
"I never wanted to get married," she said. "From the age of 12, I prepared my parents for no marriage."
Her feelings changed, however: "I found the love of my life," she said. "Now my theory on weddings is: Don't invite anyone. Do it privately and secretly. My parents are okay with that. They're just excited that I said yes."