| Issue | #20 |
| Published | October 2007 |
| Cover Price | 2.99 USD; 3.65 CAD |
| Pages | 36 |
| Editing | Matt Idelson; Nachie Castro (associate) |
| Notes | This issue went on sale 2007-08-01 (on time). |
| Characters | Supergirl; Air Force One |
| Genre | Superhero |
| Pencils | Bernard Chang (signed) |
| Inks | Bernard Chang (signed) |
| Letters | typeset |
| Notes | This issue went on sale 2007-08-01 (on time). |
| Characters | Supergirl [Kara Zor-El]; Wonder Girl [Cassie Sandsmark); Greg; Ranay; Amazons [including Acantha; Damara]; Miss Martian (cameo); Superman (cameo); Air Force One |
| Synopsis | After a failed attempt to force a peace settlement between the Queen of the Amazons and the President of the United States, Supergirl helps the damaged Air Force One land. She goes to Washington D.C. to defend against the Amazons who are attacking there, but is shot with a magical arrow. Helped by the husband of a woman who was aboard Air Force One, she manages to defeat a giant cyclops. And learn some lessons along the way. |
| Genre | Superhero |
| Script | Tony Bedard |
| Pencils | Renato Guedes |
| Inks | José Wilson Magalhães |
| Colors | Renato Guedes |
| Letters | Rob Leigh |
| Notes | Story continued from events in Amazons Attack (DC, 2007 series) #4. |
| Script | Fred Haynes |
| Letters | typeset |
| Notes | Fred goes over what his department does, troubleshooting all the artwork and text just before printing. Ads for Supergirl #21, The All-New Atom #14, Countdown #39, and Metal Men #1. Appears on page 34 in this issue. |
| Notes | House ads for: Justice Society of America: The Next Age hardcover, and Countdown to Adventure. Appear in various places in this issue. |
| Notes | Total of 10 one-page ads for: Comic Collector Live (collection software, Midten Media), Five Star Flex (notebook/binder, MeadWestvaco Corporation), Alien Syndrome (video game, Sega), Five Star Sound (notebooks with speakers, MeadWestvaco Corporation), Above the Influence (Partnership for a Drug-free America), Fantastic Four Rise of the Silver Surfer (video game, Take-Two Interactive), Blue Dragon (video game, Microsoft Game Studios), Top 10 Ways to Tell if your Home has an Energy Hog (advice, Ad Council/7-Eleven), got milk? with Alex Rodriquez (milk), and Legion of Doom (action figures, Mattel). Appear in various places in this issue. |