Talk:My Little Pony: Friendship is Magic (comics)/@comment-9649-20130228210450/@comment-26973802-20130303010834

Actually, the changelings do appear in Season 3, we see duplicate background ponies. But they don't have an antagonistic role, and it's just Chrysalis who doesn't appear... maybe, as you said to another comment, they destroy Chrysalis and then all the changelings switch sides.