Ever the opportunist, at some stage Alan began to ink the story and in a move that would repeated in reverse by Norm Breyfogle later, began to change Cap into Batman, with the view of selling the story to DC Comics. A good idea, as it did work for Norm when he changed his first Batman story into a Captain America story for Marvel Fanfare, however Alan gave up shortly after starting the changes. However he did retain all of the pencil art, so it;'s now here for all to enjoy. And if you're wondering why I'm staying 'Part I', well that'll become obvious in the next few weeks, but until then, have a read of the Captain America #240 that never was.
And, as a little bonus, here's a few pages of original art by Alan Kupperberg and Don Perlin, as published in the official Captain America #240.