Earth's Mightiest Heroes head west! Hawkeye splits from the Avengers and sets up shop in California. But the newly recruited members of Avengers 'franchise' - including Tigra, Wonder Man, Mockingbird and a new Iron Man - soon find themselves in over their heads! Meanwhile, Ultron and the Grim Reaper target Wonder Man's 'brother,' the Vision - and the Vision's wife, the Scarlet Witch! Can the West Coasters keep this complex bloodline from getting bloodier? Plus: Both Avengers teams are betrayed from within! Also guest-starring the the Thing, Hank Pym, Firebird and Nick Fury! Collecting WEST COAST AVENGERS (1984) #1-4, IRON MAN ANNUAL #7, AVENGERS (1963) #250, WEST COAST AVENGERS (1985) #1-16, VISION AND THE SCARLET WITCH (1985) #1-2, AVENGERS ANNUAL (1967) #15, WEST COAST AVENGERS ANNUAL #1; and material from AVENGERS (1963) #239, #243-244 and #246, and AVENGERS WEST COAST #100.