I'm not a horror fan.
Are you going to be giving the stories a shot? Snake Pit is set in '43.
( Editing in: looking at this, now I see where it could look confusing. Overlapping replies.
I wrote it responding to @Invader as Tenchi was commenting. )
It wasn't inspired by Sky Captain. Just the need to help fill in further the gap to the scene in '48. Leeds is harder to explain into ACME than Chester & Cheri, with him not being in law enforcement.