The Marvel Movies Wiki has released an entry on the Infinity Stones that describes the ones used in the moves. It states that the Tesseract is the Space Stone, the Orb used in Guardians of the Galaxy is the Power Stone, and the Aether is still unknown, but I disagree, and I will tell you why. This is purely my opinion and whatever I say has no pull in the Marvel universe, but I feel like the wiki entry and what Marvel reps have told us about the stones doesn't make much sense. In my opinion the Stones that we have seen so far are Wisdom, Power, and Space. I am basing my opinion on the Stones’ properties mentioned on the comic wikipedia page.

In Avengers the Tesseract should be the Mind Gem, because the Tesseract was giving knowledge to those it was used on. When it was used on Hawkeye,...