To battle the Brethren! Thane Ector and his allies devastated the Collector - and now they've come for Earth. And to stop them, the Avengers must call in reserves, returnees - and a new recruit! But will the humbled Elder of the Universe aid Earth's Mightiest, or renew his collection obsession? Hate may conquer all when the Sons of the Serpent strike - unless the Avengers and New Warriors can do something about it! But how will our heroes react when a fallen comrade seemingly returns? Plus: The Subterranean Wars rage, and the Vault prison becomes a death trap filled with deadly menaces - including Venom! Collecting: Vol. 21: Avengers (1963) 334-344, Avengers Annual (1967) 20, Avengers: Deathtrap - The Vault (1991); material from Incredible Hulk Annual (1968) 17, Namor the Sub-Mariner Annual (1991) 1, Iron Man Annual (1970) 12, Avengers West Coast Annual (1986) 6.