I wonder if this means we'll see the Red Skull (the original, or a new one). After all, it doesn't really make sense to have Crossbones if the Skull isn't somehow involved.
Casting for Marvel's NETFLIX shows:
Daredevil: Ryan Phillippe
Iron Fist: Philip Winchester
Luke Cage: Billy Brown
Jessica Jones: Michelle Monaghan
The Punisher: Holt McCallany