Board Thread:General Discussion/@comment-3123266-20140303175822/@comment-2127388-20140520003227

Tesseract is in Asgard, there is no proof something happened with it. The purple energy is more of Kree's own powers, or part of their technology. Ronan's hammer is in one scene also enveloped by purple energy, same color hue as that one thing he "crushed" in his fist.