Tod Sullivan (writer), Rab Hamilton (artist)
Released 10/08/1966 - 10/29/1966
Printed in TV Century 21, #90-#93 (4 issues with 2 pages each) - Secret Agent 21 (Brent Cleever) creates toy flies that can take out enemy agents if needed and places them in the Mars World Senate Building where one is damaged. Its memory lost and storing new images just who will it go after?
Here are the pages I have of it.