As a Jew reading about Jesus, I thought, 'He's a pretty good guy.' It's the same conclusion Monty Python drew in 'Life of Brian' - if people actually live what he did, it would be a pretty good world. But Jesus and Christianity have a tenuous relationship at best.
Wouldn't want to write the X-Men, and I suppose the X-Men is the ultimate Marvel comic, and I really wouldn't want to go anywhere near it at all, although on the other had I wouldn't mind having a crack at something like the Punisher.