One of the cheaper investments was World's Finest 230, dated May 1975. The cover story was one of those tales of Superman Jr. & Batman Jr., which were averred editorially to be *actual* stories, not Imaginary Tales or might-have-beens. Pretty silly in its attempts to be with-it, real-live-jive hepcats.
Anyway, one of the fillers was this maze. Print it out and solve it yourself!