"Mystery on the Moon!"
Reed intercepts an alien message sent to Earth but he cannot decipher it. As he works on it, he learns that the message is Kree and has to do with the moon landing. Reed traces the message to a strange island where they find another Kree base and Sentry guarding it. Ben battles the Sentry as Reed and Johnny discover what the Sentry was guarding, a strange machine that will destroy the lunar astronauts. But the machine has a defense mechanism as Ben comes to the rescue and destroys the machine. The astronauts land on the moon and the Sentry flies away, his mission a failure.