- "Agent Carter, co-ordinate with MI6. I want every allied eyeball looking for that main HYDRA base."
- ―Chester Phillips
The Secret Intelligence Service, commonly referred to as MI6 (Military Intelligence, Section 6), is the British intelligence organization focused on international affairs.
- In the non-canon video game Captain America: The Winter Soldier - The Official Game, R.A.I.D. member Shockwave is stated to be a former MI6 operative.