Re: Captain America (SPOILERS through #41)
The noir espionage thing, while taken to a new stylistic level here, has a lot of precedent in his older stories; he's been regularly employed by SHIELD since the Lee run; Brubaker just made it more Bauer than Bond, I think.
"I'm a white male, age 18 to 49. Everyone listens to me, no matter how dumb my suggestions are!"
- Homer Simpson