User blog comment:Paul.rea/Teen Wolf Wikia LIVE at San Diego Comic Con 2015/@comment-13965604-20150712234413/@comment-4091815-20150713042620

I don't know if it was you or someone else that pointed out that there are two Dereks and two Peters. They could easily use the youngers for the Laura Hale flashback episode.

It's always been "assumed canon" that werewolf powers could be inherited. Brett's statement last season made that assumption a bit more concrete as does Jeff's answer here so, no. You are not reading that too closely at all.

Cody's path is that of all good baddies. They are the heroes of their own story so, of course, he would have to believe that his reasons are right and just.

It's not just Peter who fell into that. Kate, the Darach and Matt all firmly believed what they were doing was right and just and well-reasoned. The only baddie that seemed to know that he was a selfish bastard is Gerard.