Rab Hamilton (artist), Tod Sullivan (writer)
Released 07/02/1966 - 07/30/1966
Printed in TV Century 21, #76-#80 (5 issues with 2 pages in each)Secret Agent 21 is at a particularly low point in his life as he mourns the death of his friend. Fearing he may divulge his secrets, the USS sends an assassin. So does the enemy government of Bereznik. Cleever is not happy to see either.
Here are the pages I have of it.