GI JOE (Ziff Davis Publisher) had 2 runs. One was 1951 and were issues 10-14. The second was 1952- and ran from issues 6-51.
The series 1 listing in the core database has some of the series 2 included
Thank you for letting us know. These series are listed in Core:
G.I. Joe, Vol. 1 (Ziff-Davis)
G.I. Joe, Vol. 2 (Ziff-Davis)