House ad for Showcase #63 [The Inferior Five] (July-August 1966); printed in Teen Titans v.1 #4 (July-August 1966)
Comic cover art: pencils by Joe Orlando, inks by Mike Esposito
Ad designed and lettered by Ira Schnapp
Why yes, that is a big green giant in purple pants on the cover:
Panels from Showcase #63 [The Inferior Five] (July-August 1966), script by E. Nelson Bridwell, pencils by Joe Orlando and Jerry Grandenetti, inks by Mike Esposito
Why yes, that is a Nazi version of the Qwirky Qwartet version of the Avengers:
Why yes, that is some seriously meta breaking of the fourth wall.