I reckon you can probably judge whether you’ll like this film or not, simply by looking at the picture below:

Are you thinking: “Cool looking comic strip villain” or “what a silly hat!”?
To me, that’s just Sir Ian McKellen looking a bit of a div. That makes it somewhat hard to take him seriously when he starts pulling the required villainous faces.
Not to worry. It is a film about mutant people after all, so you can’t really take it too seriously.
I would imagine that it helps to perhaps watch the first two X-Men films again. Oh, by the way, after the end credits have rolled – there’s another tiny scene… 6/10.

[...] We can only hope that Hugh Jackman doesn’t go back to making shite like X-Men 3 and Van Helsing as he can blatantly do better when he tries. [...]
[...] as development mostly takes a backseat to the really obvious CGI action. Hey ho. It was better than X-Men 3, but I guess for some inexplicable reason I was just expecting to see something, I dunno, much [...]