Hollywood studio 20th Century Fox has added a yet untitled Deadpool movie to its 2018 slate.

The move is a part of a few changes to the studio's release calendar, including pushing back Alita: Battle Angel and Dark Phoenix, reports hollywoodreporter.com.

The Deadpool movie will open in wide release on December 21.

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Robert Rodriguez's Alita... will move from December 21 to February 14, 2019 and "Dark Phoenix", the next X-Men installment, moves from February 14, 2019 to June 7, 2019.

The studio has also moved its long-in-development X-Men spinoff Gambit, from June 7, 2019 to March 13, 2020.

According to hollywoodreporter.com, the Deadpool film could be a kid-friendly re-release of Deadpool 2.

The release date changes come as the pending Disney/Fox merger is expected to close in 2019, which will give Disney's Marvel Studios the rights to the X-Men.