That’s How Heroes are Made

“It just flares up sometimes. But I’m up. I’m—” A cry escaped his lips before he could stop it as the ground came crashing toward him again. “What flares up?” Stark’s voice had lost all its humor. Loki clenched his jaw until his muscles screamed in protest. “My ankle.” (An Avengers AU in which the Avengers take in Loki after the events of the first film.)