This title has two known issues. One version features the Golden Arrow. The other version features early version of Captain Marvel named Captain Thunder.
Unable to secure trademarks for Thrill, Flash, or Captain Thunder, Captain Thunder would be renamed as Captain Marvel. Thrill and Flash renamed as Whiz Comics with issue #2.
The eight-page origin story of Captain Thunder essentially corresponds to the first seven pages as published in the first issue of Whiz Comics (#2) with the 13th and final page of the full story.