Before every X-Men movie, the X in the Fox logo doesn't fade

Opening Logos - X-Men (2000-2019)

Fox X-Men Issues The MCU Must Fix (& Avoid)

M (Marvel Comics) - Wikipedia

My thoughts on the Fox X-men movies : r/xmen

Are The X-Men Secretly Joining The MCU In 'The Marvels' Trailer?

Slideshow: Every Upcoming X-Men Movie and TV Show

How old is Wolverine? Age in comics, X-Men & Wolverine actor age explained - Dexerto

X-Men: Fox Reportedly Threw Away Countless Ideas To Expand Franchise

New 'X-Men: First Class' Posters Hit The Web and Fans Weep

Fox X-Men Movies Ranked! - HubPages

Morbius Is The New Mutants All Over Again - The Escapist

10 Ways Marvel Can Fix The X-Men Franchise

At the beginning of X-Men (2004), the 20th Century For logo fades out in a way that the 'X' in Fox fades last (slowed down so it's easier to see) : r/MovieDetails