Showcase #7
DC Comics
United States
![Untitled [Ultivac Is Loose!]](https://images.ausreprints.net/page/98940.jpg "Untitled [Ultivac Is Loose!]")
- Published
- March-April 1957
- Page count
- 36
- Cover price
- 0.10 USD
- Colour
- Colour
- Size
- Standard size
- Interior paper
- Newsprint
- Cover stock
- Glossy colour
- Binding
- Saddle-stitched
- Format
- Comic series
- Branding
- DC: Superman National Comics
-
- GCD
- www.comics.org/issue/13399
Credits
- Editing
- Whitney Ellsworth, Editor [credited]
- Jack Schiff, editor [attributed] (actual)
Issue contents
Cover
Untitled [Ultivac Is Loose!]
(Challengers of the Unknown)
Cover,
1 page
Featuring
Credits
Synopsis
Notes
1Featuring
Credits
Synopsis
Notes
2Featuring
Credits
Synopsis
Notes
3Featuring
Credits
Synopsis
Notes
4Featuring
Credits
Synopsis
Notes
5Featuring
Credits
Synopsis
Notes
6Featuring
Credits
Synopsis
Notes
7Featuring
Credits
Synopsis
Notes
8Featuring
Credits
Synopsis
Notes
9Featuring
Credits
Synopsis
Notes
10Featuring
Credits
Synopsis
Notes
11Featuring
Credits
Synopsis
Notes
12Featuring
Credits
Synopsis
Notes
13Featuring
Credits
Synopsis
Notes
14Featuring
Credits
Synopsis
Notes
15Featuring
Credits
Synopsis
Notes
Notes
Second appearance of the Challengers of the Unknown. Introduces June Robbins, who later becomes a member.
On-sale date from copyright registration.
Indicia
The indicia for this issue is not recorded. The identified publisher might be an associated or parent company, rather than the specific listed publisher.