Board Thread:General Discussion/@comment-3123266-20140303175822/@comment-2090489-20140520002554

I didn't say it was the orb, I'm saying it could possibly be the pure form of the Tesseract. We know it has fallen in the wrong hands and if the Mind Stone was given to Loki, Thanos would have no issue giving the Space Stone to Ronan to take out the Guardians.