Days of Future Past is now the 4th, or 2nd, or 8th film in the series depending on which way you look at it, and over the bank holiday weekend took and impressive £9.1 million.
Compared to previous film on their debut weekend, X-Men First Class earned £5.4 on it's debut, 3.7 million below, X-Men The Last Stand earned £7.1 million, 2 million below and just for completion The Wolverine took £4.7 million, nearly 4.3 million below.
Last weeks top film, Godzilla fell to number two this week, the monster film has taken £11.8 million in 10 days of release.
Other new film this week are - Postman Pat The Movie at 4 - Blended at 5 - Fading Gigolo at 11 - Legends of Oz Dorothys Return at 13 - Kochadaiiyaan at 14
This time last year The Hangover Part III was riding the top of the box office on it's debut weekend knocking Fast and Furious 6 into the runner up spot.
Five years ago Night at the Museum 2 hit the number one spot also on it's debut and knocked Angels and Demons to number two.
Ten years ago Troy moved up to the top spot after it's debut the previous week knocking Van Helsing into the runner up spot, the highest new film was Bad Education at five.
Fifteen years ago debuting at the top was She's All That knocking Forces of Nature to number 3.