Thor had long believed his brother dead. That might have been preferable to the reality. [For this prompt on norsekink: "tl;dr- after the movie Loki falls to past-Midgard and is captured and tortured by the government. Once Thor becomes an Avenger he finds and rescues him, and nurses him back to health."]

Darcy should have seen it coming. She couldn't hang around the spandex crowd forever and not end up with a great big target painted on her back eventually. She was just surprised it took Loki so long.