It's all well and good to say he's not evil any longer, but for a while he'd been the ultimate evil of their world - even palling around with the Devil, as we saw last time. To make it work, a redemptive arc was needed. The year was 1944, so it wasn't too difficult to decide on the way to go...
The following issue, Nazi agents - pretending to be German citizens oppressed by the Nazis - approach Frankenstein at home and manage to get close enough to inject and incapacitate him. Smuggling him back to der fatherland for treatment, they manage to transform him into their agent of destruction. And so, the following issue...
And now he was positioned to do what nearly every comicbook hero was doing at the time - fight Hitler and the Nazis. And doing it decades before his imitation would lead the Creature Commandos in the same fight...
Ah, the joys of a demented and free-wandering mind.
I've got a very strange cross-over running in my head of this series with Hogan's Heroes. Sadly, i'm far too lazy these days to lay out the breakdowns.
page art by Dick Briefer for Prize Comics #s 38, 40, & 41 (1944)