>Will I be able to follow various users across the Fediverse and view all their posts in the Threads app If it's going to function like any other Fediverse app

>Will I be able to follow various users across the Fediverse and view all their posts in the Threads app If it's going to function like any other Fediverse app, which I assume for now, then yes. You can follow people across instances and have both a local and global feed.