Tony knew something was wrong as he looked into Loki's eyes, which were as blue as the Tesseract that was powering the portal on the roof, instead of the emerald green that Thor had said was Loki's real eye color. He had an inkling that Loki was not himself as he took the god in, while talking, a drink in his hand, and the armor bracelet on the wrist of the same hand. He was pale, sweaty, and though he was obviously trying to hide it and appear strong, quite frankly, looked like he was about to collapse.
"Loki, I don't think you are yourself, so how about you give me the scepter, and we can talk this out." He said trying to coax Loki into helping them win this war without having to fight anything, as he had done his research. Loki was a trickster, not a world destroyer.
"I am a god. You are a mere mortal, and and are nothing compared to me. I have an army, and you have nothing." Loki spat, even as Tony saw a faint glimmer of green, but it was quickly swallowed up by the controlling blue.
"Come on Loki, remember Thor, he wants you to come back so let's not destroy New York for the 50'd time." Tony countered back.
In a sudden rush of fury, Loki rushed forward, and held Tony up by his throat. 'Ok I am done with this' Tony thought; he had had enough, and punched Loki in the face, which though it didn't really hurt him, it stunned him enough for Tony to kick him in the stomach, and let go of his throat. Tony gasped to regain the air he had lost.
Loki was knocked to the ground, and, wheezing as Tony kicked the scepter away. Pain had flooded him before he had even hit the ground sapping his strength. Tony could see the green in his eyes were starting to come back. As Loki turned his head toward Tony with a look saying 'Help me', he whispered in a weak voice "Stark?".
"Loki, I need to know how to shut down the portal, then we can get you some help."
Groaning, Loki managed to get out "Stab it in the middle of the machine (I don't know what to call it) on the roof. Then he passed out.
Tony didn't waste anymore time, as some Chitari had come through already. Telling J.A.R.V.I.S to keep an eye on Loki, he picked up the scepter and rushed to the elevator, jabbing the button to the roof. Even thought the elevator always felt slow, now it felt like it wasn't moving.
After what felt like a decade, the elevator doors opened, and Tony rushed through, with barely enough room not to get clipped by the still opening doors and trip. He ran to where the portal kept the rift open, as Chitari leaked through left and right. A few bigger ones had come through.
The Chitari were gruesome and monstrous enough, but the 'space whales' as Tony called them, lived up to their names. They were huge, floating armor covered monsters. Even if they were brought down, they would bring several buildings and blocks with them.
Tony ran up to Selvig, who was tending to the portal, and shoved him aside as he tried to stop him. Tony stabbed the scepter into the middle of the beam, and the electric current he felt as he kept it in until the portal closed almost shorted out his reactor. The portal finally closed, as the Avengers, who had been fighting all over the city, looked up confused but relieved as all the Chitari collapsed dead.
Tony walked to the doctor to deactivate the mind control, but as the doctor opened his eyes, Tony could see the mind control was gone and his eyes were back to their regular color. It seemed that the portal had deactivated the mind control in the scepter, at least for now. Then he rushed inside the building to check on Loki.
Loki was in the same position, still unconscious, as he was when Tony had gone to close the portal.
As Tony kneeled down beside Loki, he heard thunder and didn't turn his head instead feeling Loki's forehead to feel if he had a fever. He had a high fever that made Tony feel as he was touching a boiler. He also seemed to be having a nightmare, moaning "Please stop" and "don't, no more."
"How is my brother, Man of Iron?" asked Thor in his booming voice.
"I think that he was mind control-" Tony didn't finish as Loki screamed, and held his chest. The other Avengers burst into the room, being attracted to the screams, as Thor scooped Loki up, who was now crying, and carried him to the med room, as Tony asked J.A.R.V.I.S to read out Loki's vitals. Then the A.I gave alarming news.
"Sirs, and Madam, Mr. Laufeyson's vitals have dropped drastically low. After a pause, the A.I added with a bit of worry, "Sirs, Mr. Lauferson's heart has just stopped.