Actually the ENTIRE PURPOSE of the book is to be a preview of Avatar's upcoming books over the next year. That is the very reason they published that book and the subsequent Avatar Illustrated issues.
So I'm afraid you might be trying to split hairs, Bobby.
Yeah, I remember all your calls about this book.
And catch21 has been spot on with his points.
And Nick, I didn't mean that the Priest/Lazlo conversation was different from what was printed in the Goon #1, but merely pointing out that there are two pages worth of dialogue between the two characters and musing if that is enough to count as a first appearance.