Gronk was among Maelstrom
's Minions who were dispatched to the Hydro-Base to steal the Anti-Terrigen Compound, which was developed by Mister Fantastic
, and the Inhumans
. After securing the compound and projecting it into the Atlantic ocean, Gronk, Phobius
were engaged in combat by Thing
, and Stingray
while trying to retrieve the compound for a second time. Gronk and the others were captured by the heroes. Falon, obtained the compound and returned it to their master Maelstrom. Deathurge
was commanded by Maelstrom to kill Gronk and his counterparts.