Bryan Singer has treated us to yet another mysterious behind-the-scenes photo from the set of 'X-Men: Days of Future Past,' this time giving us an early glimpse of the much talked-about character of Quicksilver (aka Pietro Maximoff)!

Okay, so we lied ... a little. We don't have any photo evidence of Quicksilver himself, played by 'American Horror Story' star Evan Peters, but we now know what his house looks like! Singer tweeted the image with the caption "House Call." As you can clearly see on the mailbox, this house belongs to the Maximoff family. (See the image below.)

Bryan Singer
Bryan Singer
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So who is making the house call? Could it be Quicksilver's dad, Magneto (Michael Fassbender)? We can only speculate on how crucial a relationship their's will be in 'X-Men: Days of Future Past,' and it remains to be seen just how big of a character Pietro is going to be in the film.

No "official" word yet on whether or not the 'X-Men: First Class' sequel will be a presence at this month's San Diego Comic-Con, though Singer certainly seemed to confirm as much not too long ago. As the film is clearly still in production, it might be a stretch to think they'll have anything to show, but we can hope. There have been plenty of other films that showed up at the Con while still filming.

'X-Men: Days of Future Past' comes out May 23, 2014.

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