Maybe it has to do with banned instances? Not sure but I believe if your instance bans other instances, the comments from those won’t show up

Doctor Strange Nutomic broke the barriers of the multiverse fediverse and now everyone from each universe instance can visit the other. A lot of stuff is the same like they all have spooderman c/memes but all of them are also kinda different in their own way.

And DC other instances are in the multiverse fediverse too but aren’t allowed in the Marvel universe particular instances for legal reasons personal reasons so you might sometimes have to go to a DC movie different instance in disguise with a fake mustache alt account.

This is my understanding of it