Bryan Singer's tweets regarding X-Men: Days of Future Past have ranged from casting confirmations to behind-the-scenes looks at filmmaking techniques, but this latest one is just downright vague. Captioned simply, "Artifacts," Singer released the below image, which appears to have Havok's costume and Magneto's helmet among other items in a display case. This, of course, raises the questions, "who is storing these things?" and "how did they get them?" Sound off with your theories below!