Logan
X-Men 2
Days of Future Past
X-Men First Class
Deadpool 1
In another liked but lower category.
X-Men 1
Deadpool 2
Wolverine
In a WTF moments category
X-Men 3
X-Men Apocalypse
X-Men Origins
Not a perfect series but my favourite part about the movies was they stuck to the tone of X-Men Comics. The movies were not dumbed down.