Taking a reasonable £4.7 million from the weekend this is the lowest debuting film for the series to date.
Kung Fu Panda 2 and the original broth managed to gross in the region of £6 million on their debuts.
With Disney's Zootopia just round the corner and getting great reviews Kung Fu Panda 3 could well struggle to bring in decent numbers.
Falling from the top spot to number 3 after its debut at the top is London Has Fallen, a second week gross of £1.8 million brings its total to £6.4 million after 10 days.
Highest total grossing movie on the box offie this week is Deadpool which after 5 weeks has taken £35.7 million.
Historical charts
A year ago - The Second Best Exotic Marigold Hotel was still at the top of the box office leaving Liam Neeson's Run All Night to enter highest at 2.
Five years ago - Battle: Los Angeles made its debut at the top of the UK box office while Rango fell into second place.
Ten years ago - Horror remake The Hills Have Eyes entered at the top of the chart knocking Date Movie down to number 2.
Fifteen years ago - Hannibal stayed at the top of the box office leaving the highest new entry to debut at number 7 in the shape of The Watcher.
Twenty years ago - Trainspotting remained at the top of the box office and in a quiet week for new releases there was nothing entering the box office this week.
Twenty five years ago - The Godfather Part III made its debut at the top knocking Dances With Wolves down to number 2 after a four weeks at the top
