| Issue | #231 |
| Published | November 1970 |
| Cover Price | 0.15 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman; Robot |
| Synopsis | Robot smashing Superman |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Neal Adams |
| Characters | Clark Kent Lang (villain); Superman; Lex Luthor; Lois Lane; Jonathan Kent; Martha Kent; Doc Markum; Grandovic; Jor-El; Lex-El |
| Genre | superhero |
| Script | Cary Bates |
| Pencils | Curt Swan |
| Inks | Dan Adkins |
| Notes | Imaginary story |
| Characters | Luthor (villain); Superman |
| Genre | superhero |
| Script | Jerry Coleman |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Reprinted | From Superman #112 |
| Colors | b&w |
| Letters | typeset |