u/Aggravating-Diet7582

As we know in Showcase No.4 (1956), Barry Allen is reading a comic book about Jay Garrick, lamenting it is only fiction.

Ofcourse, in Flash No. 123 (1961), after Barry Allen discovers a parallel universe where Jay Garrick does exist...it is no longer fiction in his eyes! YET, he still mentions that a "writer named Gardener Fox" got dreams about Jay's adventures in another Earth and wrote them in comic book format on his Earth!

But doesnt this mean, every comic-book reader on Earth-One knows the identity of the comic-book superheroes of Earth-Two! Sure, this is not a problem for Flash, Green Lantern, Hawkman*, Aquaman & Atom, as they have different identities.

But...for Batman+Robin, Superman and Wonder Woman, as well as Green Arrow and Speedy...surely an Earth-One reader will read Detective Comics 27 and say..HEYY..we also have a rich person called Bruce Wayne in real life...as well as a Batman operating in real life! Hmmm..mighty suspicious!

Thus wouldn't the Bruce Wayne, Dick Grayson, Clark Kent, Diana Prince, Oliver Queen and Roy Harper of Earth-One's identity be exposed!

*on second thought: Carter Hall vs Katar Hol....hmmmm

(All Star Comics # 69, cover date Dec 1977)

First appearance of the Superman of Earth-Two (who is intended to be the Golden Age Superman, but for nerds like me he's really not, there are a lot of inconsistences )

. Interestingly, he is drawn near-identical to his younger Earth-One counterpart, and lacks age lines or grey temples his future (present-day) appearances would carry.
Also, here is he is portrayed as being as basically equal with this E-O Counterpart, as they mutually KO each other.

In his future appearances, it would clearly be shown Earth-Two Kryptonians regardless of age are weaker than their Earth-One counterparts