Board Thread:Questions and Answers/@comment-7657843-20150504102237/@comment-26281196-20151205031428

He will not come back. No one doubts. His story arc is done with that movie

Personally, I think he survived because, different from the Power, Mind and Reality Stones who see to have some sort of psycopathical sentience who compulsively tries to kill everything they get next to, the Tesseract didn't have show any signs of destroying their users... But again, the Collector had stated that all the Stones can only be wield by beings of great power, and, this is true because: a) Power Stone killed Karina and almost killed Ronana and Starlord b) Aether was slowly killing Jane and c) Mind Stone's energy was used to power Ultron and first and we knew that Ultron was a psycophatical world-destroyer

So, counting with that worlds destroyed by the Sentinels and the many lifes lost in the many massacres and wars who are related to them do not give me security about them. This means that the Tesseract can be like the siblings and be a cosmical weapon of destruction too. In this case, this means that Red Skull could also be erased by it. It still is a great possiblity

Yes, it is probable he could be dragged into the outer space but, again, no one explained how teleportation works properly. The only other fountain of portals we have on the MCU is the Monolith and the Bifrost... And both ONLY work if the user has the location to teleport. But the Tesseract not only teleport. It controls, manipulate and rearrange the very space itself. This means that the rules can be different. If they are in the same case we have a problem because we are all pretty sure he didn't had a location and the Tesseract overheated in a way that never occurred before so...

Yeah, he is probably dead