Mera discovers she's pregnant AND gives birth to Aquababy in the same 1-issue story!
Story across 24 pages in three parts of 8.67 pages, 7.67 pages, and 6.67 pages.
On the page immediately preceding page 10 of the main story sequence.
On the page immediately following page 18 of the main story sequence.
Former humor feature, possibly paid ad for hobby products now [Testor's Custom Finish here]?