Coulson nodded, coughing again, and waving Loki closer, turning his head back and lifting his chin so he could speak in the god's ear.
"...Tell him-kaff- tell him-"
He moved swiftly, tugging the knife out of his leg and plunging it straight back into Loki's side, "-that he still has his one good eye," he growled, rolling away hurriedly and grateful for the flood of adrenaline that let him run without crumbling. He fumbled for his id card, taking shelter in the alcove of the nearest door while he struggled with it.