A spot for the movie debuted during the Netflix NFL games on Christmas Day, to which one of my uncles, who's in his late 60s, goes, "Oh, wow, they're making a new Superman movie?!" This is someone who's not into superhero movies at all, btw. I told him yeah, there's a full trailer out, which he asked to see. So I showed it to my entire extended family and afterwards, my dad, who's in early 70s and hates superhero movies even more than my uncle, goes, "Okay, I'll definitely see that." Same goes for one of my sisters, who only likes the Guardians of the Galaxy movies and the Holland Spider-Man movies. She said she had no interest in "that dark Superman movie" (Man of Steel) but now really wants to see this one. No one in the room had even seen Man of Steel, as they all seemed turned off by how serious it looked, but REALLY responded to this trailer. My immediate family is all big The Marvelous Mrs. Maisel fans as well, so they were especially into the Brosnahan casting, but everyone even liked Krypto too.
Anyway, I know it's not the most accurate sample, but if my family is any indication whatsoever, and the movie is even remotely good, based on all the other buzz so far, we could be in for something big.