On the ground gets an extraterrestrial source of inexhaustible energy Tesserkat. A team of scientists exploring the unknown material takes S.h.i.e.l.d. into their own hands. After the study, astrophysicist Eric Selvig informs the Director of Fury that the tesseract is not stable, and could happen at any time such a powerful burst of energy that all living creatures will disappear from the face of the Earth. When the cube is activated, it opens the gates between the worlds, through which the Earth gets adopted son Loki god Odin. He picks up Tesserkat, and Eric Selviga and Clint Barton, nicknamed "Hawkeye". Agents are sent followed by Loki, because their mind is subject to his will through the magical skipetru. Referring to the looming threat of Fury decides to revive the Avengers initiative project, previously canceled for unexplained reasons.
After defeating leviafanami Dean falls into Purgatory. Every day he had to fight with various monsters and creatures. Finally was able to find a way home. When released, he quickly finds Sam and says that inside his body was still and vampire. Thanks to him, the Dean and was able to find a way out. Meanwhile, Castiel with Sam trying to find two main tables of Angelic and Demonic. This is necessary in order to permanently close the Arata hell. The Prophet, who can read the tablets in the safe, only to find the remains of the inscription. All rests in search of Angel, who also wrote the words of God.