~ Asher, upon seeing King Ghidorah buried in the ice
Asher Jonah is a minor antagonist in MonsterVerse's Godzilla: King of the Monsters, the third movie of the MonsterVerse franchise and a sequel to the 2014 Godzilla film. He is a terrorist and the right-hand man of Alan Jonah who sought to help his boss by releasing King Ghidorah and the rest of the Titans across the globe so they can restore order to nature.
Sometime after Alan Jonah defected from the British SAS, Asher was recruited into his eco-terrorist group. His first assignment was at a chemical plant in China before another in the Democratic Republic of Congo where, according to Asher, the team gave big game hunters what they deserved.
Godzilla: King of the Monsters
Led by Jonah, Asher and the rest of their group infiltrate Monarch Outpost 61 in the Yunnan Province of China, killing all the people there except for Emma Russell, her daughter Madison, and Mothra, who escaped before the eco-terrorists can capture her, and seals herself off in a cocoon.
With the Russells held hostages, the eco-terrorists head towards Monarch Outpost 32 in Antarctica using a stolen Monarch Osprey and passcodes obtained from the Yunaan base to trick the personnel stationed there. When they reach the facility, every Monarch agent present is killed as the mercenaries intend to free a Titan known as Monster Zero from the ice. After placing explosives around the frozen Monster Zero, Asher and some of his team partake in a gunfight against a Monarch rescue squadron led by G-Team member Diane Foster. When Emma's ex-husband Mark Russell arrives, Asher is about to aim his sniper at him, only for Foster to shoot Asher in the head, killing him.
Asher shares many of Jonah's sentiments such as there he always has casualties in war and that evolution is sometimes wrong. Asher is thoroughly loyal to Jonah and his cause to create a better world, saying that even though he wouldn't enjoy the deed, he would kill a thousand people if Jonah deems it necessary.
It is unknown if Asher is Jonah's nephew since the way the two interact doesn't mean that they are in a father and son relationship.