He created Spider-Man, Iron Man, the X-Men, and the Fantastic Four. The son of Jewish immigrants, Stanley Martin Lieber changed his name and transformed American pop culture. But Stan Lee's Jewish roots ran deep. Was Spider-Man just a reincarnation of Cain? Is the Incredible Hulk simply Adam by another name? How were Lee's celebrated comic book heroes inspired by the ancient tales of the Bible, the Talmud, and Jewish mysticism? Author Liel Leibovitz speaks with Unorthodox Podcast co-host Stephanie Butnick about his new book, Stan Lee: A Life in Comics, and the surprisingly spiritual roots of Marvel Comics.