| Issue | #276 |
| Published | June 1974 |
| Cover Price | 0.20 |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007] |
| Characters | Superman; Captain Thunder |
| Synopsis | Superman and Captain Thunder fly head-on towards each other as crowd flees. |
| Genre | superhero |
| Pencils | Nick Cardy |
| Inks | Nick Cardy |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007] |
| Reprinted | in Supermann (Williams Forlag A/S, 1969 series) #6/1975 |
| Characters | Captain Thunder (villain); Superman; Willie Fawcett; Clark Kent; Merokee (flashback); Lois Lane; the Monster League of Evil (flashback); a Dr. Sivana lookalike (flashback) |
| Synopsis | Willie Fawcett finds himself lost in Superman's universe and that whenever he changes into his super-powered alter ego of Captain Thunder he becomes evil. Superman helps him figure out the way to return ot his universe and shake the evil influence of the Monster League of Evil. |
| Genre | superhero |
| Script | Elliot S! Maggin |
| Pencils | Curt Swan |
| Inks | Bob Oksner |
| Reprinted | in Best of DC, The (DC, 1979 series) #16; in Superman in the Seventies (DC, 2000 series) #nn; in Supermann (Williams Forlag A/S, 1969 series) #6/1975 |
| Script | E. Nelson Bridwell |
| Letters | typeset |
| Notes | Includes reference to crediting the artwork in "Mr. Mxyzplk Returns" in Superman #272 to John Sikela based on info from Jerry Bails. |