The Invaders #14 (March 1977)
title: "Calling....The Crusaders!"
writer: Roy Thomas
penciller: Frank Robbins
inker: Frank Springer
letterer: Joe Rosen
colorist: Marie Severin
editor: Roy Thomas
letter column: Roy Thomas
cover: Jack Kirby & Joe Sinnott
unnamed Nazi spy, unnamed Nazi Luftwaffe crew, Adolf Hitler (behind the scenes)
The All-New Almost All-British Crusaders arrive in London and help out during the Blitz. The next day, they want to take the Invaders' place as King George's personal body-guards.