Avengers (1963) #305
Avengers <a href=httpswwwcomicbookaddictscom202309the wonder twins september 10 1977 this day in comics>1963<a> 305

The Avengers #305 – Attack of the Lava Men released by Marvel on July 1989

Captain America sends out the call – All Avengers must assemble at Avengers Island for a special announcement! But the moment every Avenger is there, that is the moment when the Lava Men launch a surprise attack!