To everybody’s surprise, the best scene in X-Men: Days of Future Past is by far the one featuring Quicksilver – a newcomer to the X-Men cinematic universe.
So it would have been a total mistake if he wasn’t included somehow in the following sequel, X-Men: Apocalypse. But good news is always good, since second unit director Brian Smrz said that another scene, just like the one from Days of Future Past, will be shot (well, not like that one, obviously):
”They want me to start pretty soon, on the storyboarding and stuff. I’ll be working on the next X-Men for the next month or so part-time, and by the end of the year it’ll be full-time. Well, there will be another Quicksilver scene, which I’m looking forward to; that’ll be fun. Other than that, I can’t really say much – I’m looking forward to working with the cast and crew again. I've worked with Hugh Jackman four times before this, and I love the younger cast who’s already great to work with as well.”
Then he added something else:
”We talked about Quicksilver before, I’d love to do a Quicksilver as a solo film because there’s a lot to enjoy with that character. But I’m not geared just towards superhero movies; for me it’s about great main characters, and finding movies that have that.”
So is it going to happen or not? Seeing as how the first Wolverine spin-off was, we can say that the X-Men are best when used as a team. But who knows?