Cover pencils by John Buscema, inks by George Klein. 1st full appearance of Ultron in "Mayhem Over Manhattan," script by Roy Thomas, pencils by John Buscema, inks by George Klein; The Avengers are held captive, and it is shown that the Crimson Cowl isn't the Edwin Jarvis at all, but the robot Ultron-5; Jarvis is supposedly killed, but he escapes and finds the Black Knight, who helps him; The Black Knight then attacks the Masters of Evil and frees the Avengers; Together they defeat the Masters; Although Ultron and Whirlwind escape, the rest are imprisoned The Avengers decide to give Jarvis a second chance. Avengers roll call: Hawkeye, Goliath, the Wasp, and the Black Panther. 36 pgs., full color. $0.12. Cover price $0.12.