Avengers (1963 1st Series) #54
Published Jul 1968 by Marvel.
First cameo appearance of Ultron, in…
"And Deliver Us from - the Masters of Evil!"
Script by Roy Thomas
Pencils by John Buscema, inks by George Tuska
Jarvis betrays the Avengers, to the new Masters of Evil, by explaining the layout of the HQ and traps. The Black Knight tries to warn the Avengers but is captured in a trap. However, his horse Aragorn escapes to complete the message. The Avengers do not receive the message in time, and they are attacked and captured by the Masters of Evil. The Crimson Cowl they were taking orders from turns out to be a robot, and the true Crimson Cowl is Edwin Jarvis himself!
Avengers roll call: Hawkeye, Goliath, the Wasp, and the Black Panther.
