Its a secret hidden unlockable aircraft that no-one in the world has unlocked yet. To unlock it you need to destroy 5000 ground targets using only the Blenhiem's forward firing machine gun.
You can also spot the Spitfire mkVa which is also a super secret unlockable plane. For this you must shoot down 5000 He111 using only the Blenhiem's forward machine gun.
Another thing Evangelous and myself spotted a couple of months back, Why is there a cockpit of an Me109G-6 on the back of the box??????? Kind of takes the piss huh? lol