Heart of stone - Bill Mantlo

It's a cornucopia of classic Avengers action as Earth's Mightiest Heroes travel to Russia and face the Elements of Doom, then battle the WWII-era Arsenal robot and learn its shocking ties to Iron Man's family! Meanwhile, an out-of-work Hawkeye takes a security job and clashes with the vicious alien princess Deathbird! Plus, the Avengers are called before Congress, battle the stone-faced Grey Gargoyle, face the all-new Inferno, and deal with the meddling machinations of government liaison Henry Peter Gyrich! COLLECTING: Avengers (1963) 188-196, Annual 9