Collects Avengers (1963-1996 1st Series) #115-118 and Defenders (1972-1986 1st Series) #8-11. Cover by Carlos Pacheco.
It's hero versus hero when the mighty Avengers clash with the dynamic Defenders! The dread Dormammu forms a pact with the trickster Loki, and the results are disastrous! Now it's Silver Surfer vs. the Vision, Namor vs. Captain America, Hulk vs. Thor and much, much more!