MI-13 vs S.H.I.E.L.D

Captain Britain
Black Knight
Pete Wisdom
Meggan
Spitfire
John the Skrull

Vs

Nick Fury Jr.
Maria Hill
Clay Quartermain
Captain America
Winter Soldier
Hawkeye
MockingBird
Black Widow
Spiderwoman
Antman (O'Grady)

To the death
Team 2 gets to hit the shield armory before the fight
Fight in London
To the Death

No Blade?

He is busy
😛

MI13. Spitfire could take out a lot of the SHIELD team in a few seconds. Meggan should also be able to turn things in favor of MI13. Also I don't think SHIELD has a way of putting Captain Britain down.

Especially in GB, the seat of their power.