Book excerpt: The writers of Captain America were originally criticized for being too harsh on Nazis. Batgirl was created to make Batman "less gay." Of the top ten greatest Marvel comics, five of them are X-Men stories. Shazam was originally more popular than Superman. Black Panther loves Game of Thrones. Wolverine was a Canadian secret agent. His first mission was to kill the Hulk. Keanu Reeves nearly played Plastic Man. The Punisher defeated the Hulk in three seconds. Aquaman's series was the first DC comic to be cancelled. Deadpool believes he is "the Canadian James Bond." Wonder Woman was nearly called Superma. Ant-Man merged with Ultron. Green Arrow has a tuning fork arrow. Hulk originally turned grey, not green. Green Lantern's original weakness was wood. Spider-Man's origin story is based on the Greek myth of Arachne. Superman was originally a bald, telekinetic villain.