Commando Comic #1355: 'Mighty Mike' (1979)
 
Mighty Mike Mansell, top fighter ace, was the guy chosen as test pilot for the fastest aircraft produced for the RAF. The plane was so top secret that it didn’t even have a name as Mike put it through its paces over the remote north of Scotland.

Yet, despite all the security, the Nazis believed they could get their hands on the plane…and no wonder they were confident. Flying for the Luftwaffe was Mike’s identical twin brother…
 
One Comic For Sale in Fair to Good Condition