2. I think Claire's death makes sense. Or the method does anyway. It's another example of killing off a regen by removing the ability. Like Adam. And we saw during the eclipse that she was really vulnerable even when she lost the ability temporarily.
3. I think the couple makes sense. Isn't it a typical reasoning for characters who hate EHs/powers? I think the FOH guy in X-Men had a similar background.
4. Matt's been manipulated by threatening his family before