Vendetti on JSA would be great! Apparently Geoff Johns wants another go at the JSA, which would be good to, but I think I'd rather see Vendetti's take on things, only time will tell.
Even if a team is popular with the fans, you have to find a writer who feels passionate about writing them, who knows, maybe Mark Waid will take the JSA on.
https://www.cbr.com/geoff-johns-write-new-jsa-comic/