I think I read that the Russos's said May survived the Snap.
For people like her, we might be overestimating how much 5 years ages someone.
But yea, with Spider-Man, Ned was confirmed to have been snapped. The other two are MJ and Flash. I assume MJ is the same age since it'd be odd for a 5 years older MJ to be hitting on a 16 or 17 year old Parker. Flash though....who knows? Maybe he's a teacher's aid or something now? I dunno
I believe the trailer also showed Betty Brandt as not aging. So it's a growing list. But all in all, it doesn't bug me much. I mean, what are the odds of ANY Avenegrs survivng a 50/50 snap? Nonetheless all of the originals. So I'm good.