If you haven’t yet caught Thor: The Dark World in theaters, be careful reading any further as CraveOnline today learns details from Marvel Studios President Kevin Feige that connect to the new film’s mid-credits tease.

While the sequence, directed by Guardians of the Galaxy helmer James Gunn, reveals that both the Tesseract and the Aether are Infinity Gems, it has not explained until now exactly which one is which.

“I dont know when well actually divulge that necessarily,” says Feige, “but its the Space stone.”

“One down, five to go,” as Benicio Del Toro’s the Collector puts it. If the Tesseract is Space, that leaves stones of Soul, Time, Mind, Reality and Power. The Aether seems to fit Reality pretty well, but we’ll have to wait to be sure and to find out where those other extraordinary power sources are going to pop up.

“Is that going to be the focus of ‘Guardians of the Galaxy’,” the site then asks, “or is going to continue throughout Phase Three? How long is this story arc going to go?

“Well the answer to the first question is both,” Feige responds. “It is both. And then, you know, who knows? If they allow us to keep making movies, it will go a little bit further.”

Click here to read the full interview, in which Feige also suggests that the upcoming “Daredevil” Netflix series could take on a crime procedural format.