Board Thread:General Discussion/@comment-24006173-20131222221422/@comment-238662-20140605135035

Themanyfacesofhankpym wrote: It would make sense for there to b one in the future/present, because they brought back all those characters in Days of Future Past. I'm still holding out for Forge and Nightcrawler to be in this one.

I'm pretty sure Simon Kinberg said that was a way to say a final goodbye to most of the original cast.