I’ve talked about this before, where Frank Robbins (or the editor, I haven’t any idea) seemed determined to have Superboy stories be set in the 1930s, like in the story discussed at that link where Bonnie and Clyde menace Smallville. Or in the story I just found here, in issue #168 (September 1970) where Superboy must match wits with Nazi saboteurs in his hometown.
Assuming, as I did in the previous post, that Superboy stories take place when Clark is in his mid-teens, and that Superman stories always take place “now” (in this case, 1970), this would make Superman in his late 40s/early 50s at the very least. Which would be okay, I suppose, but seemingly contradictory to Superman’s usual portrayal as a somewhat younger man. (Not that being in one’s 40s is old, said the 42-year-old.)
“Oh no, some Superman comics may have odd continuity issues!” What a shock, I know. But I haven’t read a whole lot of the Superboy comics from this particular period of the very late ’60s/early ’70s…was this particular timeline unique to Robbins, or were other writers placing Superboy in the 1930s as well?
(You know, if DC is set on this whole “Superman is the first superhero” continuity reset that’s supposedly coming with the September relaunches, maybe they can go back to the Robbins timeline, with his teen years in the 1930s. With a 90-year-old Superman, who still looks like he’s in his 30s thanks to his alien physiology and super powers, you can still have the JSA active during WWII, and Captain Comet in the 1950s, and whatever else, and Superman would still be first. See, a perfect solution, and everyone’s happy!)