1. Billy Maximoff/William Kaplan is that rare example of a male character who is a successor to a female character. Two in fact: The Scarlet Witch and Agatha. It is nice to see.
2. I don't usually consider myself a big fan of time travel stories, but I really liked Death's Hand in Mine. I also remember really liking the Doctor Who episode Blink, so maybe I am not so much opposed to time travel stories as to certain clichés.