I know Days of Future Past hasn't come out yet, but this is awesome news. I love the Apocolypse storylines, and I was hoping Days of Future Past would set up Apocolypse. Very excited. Can we just skip right to this X-Men movie?
I'm good with the Universe. I like it more than Disney's Marvel Universe (i.e., Avengers).
As far as comic universe series IMO:
1. Nolan's Batman Universe
2. Singer's X-Men Universe
3. Marvel's Avengers Universe
4. Raimi's Spider-Man Universe
This only includes the relevant comics with more than 1 movie released.
The 3 X-men movies Singer worked on are all good. He left part 3, which was the bad one. I did like the 2nd Wolverine movie, but that one wasn't touched by Singer as far as I know.