D2-076 Flash Gordon vs. the Puppet Master

Story: Harry Harrison
Art: Dan Barry
Summary: Suddenly returning to civilisation after being missing for several weeks, Flash has no recollection of where he has been or what has been happening to him during his forced stay at Diana’s castle (see D2-075 Manhunt).

Acting under a post-hypnotic suggestion, Flash soon lures Dr. Zarkov to the prison satellite (see also D2-001 Space Prison) to deliver him in the hands of a psychopath acting out the early stages of a fantastic quest for world domination...
(Source of summary: www.ipcomics.net)

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It's from Emile's e-collection. All credits go to her & "Allen Lane" who scanned and first shared at net.