One other possibility might be the last issue of Secret Society of Super-Villains (#15) in 1978 when Dr. Mid-Nite and Atom both showed up. The story...
I had been going to a comic book shop in Stamford, Connecticut that was destroyed in Marvel comic books (you could see the store's sign on the ground...
But then, what was the point of having that story in the first place now? I know it was to set up where things were to have gone for 5G, but it feels...
As far as I'm aware, DC never really used the Golden Age version of Dan Garret before, who wasn't an archeologist in his civilian identity but was a...