| Release: | May 1955 |
| Cover: | May 1955 |
When Gotham City Challenged Metropolis
| Release: | May 1955 |
| Cover: | May 1955 |
Gotham City and Metropolis are competing to host a technology convention, and they decide to choose the host city by having Superman compete with the Dynamic Duo to complete the greatest number of civic minded feats in a 24 hour period. Batman, however, is working extra hard to make sure Superman loses.
| Writer | George Papp, Henry Boltinoff, Edmond Hamilton |
| Artist | George Papp, Henry Boltinoff |
| Cover Artist | Winslow Mortimer |
| Penciller | Curt Swan |
| Inker | Stan Kaye |
| Batman | Bruce Wayne |
| Superman | Kal-El / Clark Kent |
| Lois Lane | |
| Commissioner Gordon | James 'Jim' Gordon |
| Green Arrow | Oliver Queen |
| Robin | Dick Grayson |
| Perry White | |
| Speedy | Roy Harper |
| Tomahawk | Thomas Hawkins |
| Age | Atomic Age |
|---|---|
| Format | Comic |
| Series Group | Superman / Batman |
| Genre | Action | Adventure | Super-Heroes |
| Country | USA |
| Language | English |