Board Thread:General Discussion/@comment-3123266-20140303175822/@comment-2090489-20140425185718

True. I started to watch the avengers again purposely trying to see the stone on Loki's scepter and the Tesseract and I saw some stuff I didn't notice before. When Loki was talking to the Chitauri leader, the gem glowed and changed Loki's surrounding, allowing him to speak to the leader of the Chitauri. We know from Joss Weaton that Thanos will be having an impact in Avengers 2, from a distance, which makes sense because the gem is in Hydra's hands. So I think through the gem, Hydra will be able to talk to Thanos. Also I think  what I said about the Tesseract and the Orb are just shells to the actual gem inside. Based on size it fits, but also the space gem(which we know is the Tesseract) is purple. If you look closely at the Tesseract you notice 2 things, one, that the power of the Tesseract comes from an orb of energy in the middle of it, and two that it does have a purple tint to it, especially when Red Skull and Loki were transported through it.