Synopsis for “Let Sleeping Dragons Lie!”
The Black Widow reaches the East with the plane. There she meets Colonel Ying and Dr. Yen. He shows her his new invention, the Psychotron, which can trap enemies and fight them with their greatest fears. They trap Black Widow in it, believing she is still traitorous to them. Meanwhile, Goliath is sent Dragon Man, to conduct tests on it. Diablo lures the avengers away from Dragon Man long enough to reactivate him. The Avengers go into battle with them, and eventually beat them, but Diablo escapes with the Dragon Man.