DC Comics
8
APPEARANCES
5
SERIES
Showcase #7
April 1957
Earliest catalogued appearance of June Robbins.
All 8 appearances.
Apr 1957
No listings
Challengers of the Unknown #75
Sep 1970
The Unexpected #3
Oct 2018
Batman / Superman: World's Finest #15
Jul 2023
Batman / Superman: World's Finest #16
Aug 2023
Batman / Superman: World's Finest #17
Sep 2023
Challengers of the Unknown #2
Mar 2025
Challengers of the Unknown #5
Jun 2025
Writers and artists on Ultivac's earliest appearances.
Batman / Superman: World's Finest
56 issues
Challengers of the Unknown
87 issues
6 issues
Showcase
104 issues
The Unexpected
8 issues
