"Where Worlds Collide!" is the title of the first story in the thirteenth issue of the Adventure Into Fear comic book series published by Marvel Comics. The story was written by Steve Gerber with artwork by Val Mayerik and inks by Frank Bolle. It was colored by Ben Hunt and lettered by Artie Simek. The story was edited by Roy Thomas. The second story is a reprint story called "Mister Black", illustrated by Don Heck. This issue shipped with an April, 1973 cover date and carries a cover price of .20 cents per copy.