Re: Anthony Mackie in talks to play Falcon
No, because Wilson doesn't work for SHIELD.
If you don't mind a middle-sized spoiler, check my post a couple of spots up, where DCMF leaked details of one of the scenes that Evans, Mackie and Scarjo were filming last week. Tells exactly what Sam's profession is, and who he works for.
THE COTTON AVENGERS
...They move like slick cotton on oil.