[{"n": "Adventures of Captain Marvel", "u": "/e/part-1/adventures-of-captain-marvel/", "s": "First theatrical film adaptation of a comic book superhero."}, {"n": "Atom Man vs. Superman", "u": "/e/part-1/atom-man-vs-superman/", "s": "Superman battles Luthor's deadly devices and synthetic Kryptonite."}, {"n": "Batman (serial)", "u": "/e/part-1/batman-serial/", "s": "First film appearance of Batman."}, {"n": "Batman and Robin (serial)", "u": "/e/part-1/batman-and-robin-serial/", "s": "A 1949 serial sequel with a new Batman and Robin."}, {"n": "Blackhawk (serial)", "u": "/e/part-1/blackhawk-serial/", "s": "A flying squadron battles a foreign spy for Element-X."}, {"n": "Captain America (serial)", "u": "/e/part-1/captain-america-serial/", "s": "First live-action Marvel film; a costly Republic serial."}, {"n": "Congo Bill (serial)", "u": "/e/part-1/congo-bill-serial/", "s": "A 1948 Columbia serial based on the DC Comics character."}, {"n": "Flash Gordon Conquers the Universe", "u": "/e/part-1/flash-gordon-conquers-the-universe/", "s": "The final Flash Gordon serial from Universal Pictures."}, {"n": "Flash Gordon's Trip to Mars", "u": "/e/part-1/flash-gordon-s-trip-to-mars/", "s": "Second Flash Gordon serial, set on Mars with Ming and Queen Azura."}, {"n": "The Green Hornet (serial)", "u": "/e/part-1/the-green-hornet-serial/", "s": "A 1940 serial based on the radio crime-fighter."}, {"n": "The Green Hornet Strikes Again!", "u": "/e/part-1/the-green-hornet-strikes-again/", "s": "A 1941 Universal serial sequel to The Green Hornet."}, {"n": "The Masked Marvel", "u": "/e/part-1/the-masked-marvel/", "s": "A serial where the hero's identity is hidden until the final reel."}, {"n": "Mysterious Doctor Satan", "u": "/e/part-1/mysterious-doctor-satan/", "s": "A 1940 serial about a mad scientist and his robot."}, {"n": "The Phantom (serial)", "u": "/e/part-1/the-phantom-serial/", "s": "A 1943 serial based on Lee Falk's comic strip."}, {"n": "The Shadow (serial)", "u": "/e/part-1/the-shadow-serial/", "s": "A 15-chapter serial adapting the pulp and radio hero."}, {"n": "The Spider Returns", "u": "/e/part-1/the-spider-returns/", "s": "The Spider returns to battle the Gargoyle in a 1941 serial sequel."}, {"n": "The Spider's Web (serial)", "u": "/e/part-1/the-spider-s-web-serial/", "s": "A 1938 serial adapting The Spider pulp vigilante."}, {"n": "Spy Smasher (serial)", "u": "/e/part-1/spy-smasher-serial/", "s": "A 1942 Republic serial based on the Fawcett Comics character."}, {"n": "Superman (serial)", "u": "/e/part-1/superman-serial/", "s": "First live-action film appearance of Superman."}]