In terms of who's on the mural, which can be glimpsed in some of the film's trailers – the JSA members seen include the Spectre, Wildcat, Sandman (the '40s mystery man, not the mythical demigod), and of course, Jay Garrick, the original Flash.

"Superman," written and directed by James Gunn, brings Clark Kent and his superhero alter ego back to the silver screen.

Now that Superman is finally back in theaters, it’s time to revisit his old adventures.