We need to see more of Sovereign and less of his narration. What he did to that unfortunate soldier left an impression on me, but I wouldn't call him Joker or Lex Luthor level yet. In a weird way, this issue was about him. He's sort of interesting, claims his grudge against the Amazons was purely ideological but the way he talks to Lizzie makes it seem like the false flag operation was personal.
The plot twist is very interesting, assuming it isn't misdirection. The real question isn't the possibility of adoption, it's the identity of the baby's father.