Tony managed not to let anyone know who was actually flying the Iron Man suit. (Except Obadiah Stane, and we all know how THAT turned out.) How long can he keep his identity a secret while he works with the Avengers as Tony Stark AND as Iron Man? Besides, technically Tony Stark isn't supposed to be an Avenger under any circumstances. ((Basically fun identity porn and friendship.))

Mycroft and Sherlock didn't meet until Sherlock was 7, Mycroft lived with his abusive father. Sherlock doesn't learn of the abuse until years later.

Title borrowed from Joss Whedon's "Serenity." You know you can trust your teammates when they're willing to extract you from your suit one screw at a time.

AU of Season 4. Dean was never rescued from Hell. Instead he changed into the very thing he hated the most. A demon. No slash.

Set right after the flashback incident in “Something Wicked” John packed up the boys and ran to Jim’s but even there he can’t escape the demons that chase him and learns that he’s the worst of all.