 Grog the God-Slayer received an entry in the "Official Handbook of the Marvel Universe Update '89" #3.A loyal follower of the Egyptian God of death, Seth, Grog led his armies to assassinate the Asgardian God of Thunder, Thor after his return to Earth.On the Avengers' floating headquarters called Hydro-Base, Grog, and a horde of soldiers, made their first strike.