The X-Men 8 film collection on BD is currently only £10.19, it's out of stock but due in within a week or so.
https://www.amazon.co.uk/X-Men-Colle...A3P5ROKL5A1OLE
I've only got First Class on disc and kept meaning to buy the others so this is a good bargain for me at least
even if Apocalypse was a bit rubbish...