#dc comic knowledge

Batman: Legends Of The Dark Knight (1989) #150

Secret and Impulse have read a comic about a certain superhero who got powers from a radioactive spider bite (young justice 22)

Grant Emerson and Bart Allen have seen Alvin and the Chipmunks and either seen or read the Smurfs

New Titans (1988) #117

Stars and S.T.R.I.P.E. (1999) #6

from superboy 1994 #83! kon el has a gameboy, as well as a hellboy comic, a final fantasy poster, and the works of peter straub (judging by the color and timing of this publication is most likely the book mr. x)

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Bruce Wayne has read Batman

Hal Jordan has read or seen an adaptation of Spiderman

The Green Lantern Corps (1986) #205