Collects Avengers (1963) #129-149, Giant-Size Avengers (1974) #2-4; material from Giant-Size Avengers (1974) #5, Marvel Treasury Edition (1974) #7, FOOM (1973) #12. Throughout his AVENGERS run, Steve Englehart slowly built the mysterious Mantis into one of '70s Marvel's most intriguing characters. Here her tale reaches its cosmic climax in a saga spanning space and time: "The Celestial Madonna!" When Kang the Conqueror arrives, the action begins. Before it's over, Kang, Rama-Tut and Immortus will have you time-twisted in two. And that's just for starters! The origin of the Vision is revealed, and he and the Scarlet Witch wed! Then, the Avengers put out a call for new members. Beast Hellcat and Moondragon join - while Captain America, Yellowjacket and the Wasp return. Each will be tested in a second war with Kang and the Squadron Sinister! It's a classic conflict that teams the Avengers with the heroes of the Old West!