UPDATED: Alan Cumming NOT returning as Nightcrawler for 'X-Men: Days of Future Past'

UPDATE: No, he's not.  According Empire, Alan Cumming has stated that he was not approached and, even if he was, he is not available.  You can listen to his interview below...

ORIGINAL STORY:

James McAvoy let it slip in an interview with Heat Radio that Alan Cumming with reprise his role as Nightcrawler for X-Men: Days of Future Past. He joins fellow X2 castmates Patrick Stewart, Ian McKellen, Halle Berry, Hugh Jackman, Anna Paquin, and Shawn Ashmore in their roles from the original X-Men trilogy.

McAvoy mentioned Cumming when talking about the cast of Days of Future Past. You can listen to the inteview in its entirely below. The mention of Cumming comes around the 4:40 mark.

X-Men: Days of Future Past acts as a sequel to both X-Men: First Class and X-Men: The Last Stand and will feature mutants from both storylines. In the original Days of Future Past comic storyline, Kitty Pryde mind travels back in time to warn herself and the X-Men of the dystopian future ahead in hopes of preventing it. The plot of the film hasn't been revealed yet, although Peter Dinklage has signed on to play the film's primary antagonist.