Avengers #5
"The Invasion of the Lava Men!"
May 1964
The Lava Men bring up a Living Rock; the Hulk helps the Avengers destroy it
reprinted in
*
40 Years of Avengers
2006, in collection
(2006*)
*
Marvel Digital Comics
no date
(no date)
*
Marvel Masterworks: Avengers TPB #1
2009, in collection
(2009*)