Revealed by the United States military just as Godzilla appeared in Washington, the All-Terraintula attacked the King of the Monsters, using its ability to absorb and reflect his atomic ray to assault him and its agility to keep out of his reach. Unfortunately for the mechanized spider, Godzilla was able to outwit its pilots and slammed his tail into the machine, sending it crashing into a row of buildings; however, this set Godzilla up for the metallic spider's next attack. The All-Terraintula was able to nail Godzilla with a super-tranq of artificial curare and a super-dense cadmium compound, effectively robbing Godzilla of his atomic ray. Unfortunately, before the mech could press its advantage, the fight was interrupted by the arrival of the Dianii, gigantic intergalactic bounty hunters with the intent of making Godzilla their prey. They decided to remove the All-Terraintula from the picture and blasted the robot with their Mega-Zooka, sending it down in flames.

Much later, after the fight between Godzilla and the Dianii had moved to Portland, Oregon, the All-Terraintula was reactivated, its pilots and creators revealed to be aliens from the Third Planet from the Black Hole. Making its way to Portland, the All-Terraintula vaporized the Dianii's leader. Unfortunately, this enraged the young Dianii traveling with him, who turned and attacked the mecha with an incredible fury. Grabbing hold of the machine, he spun it and tossed it, sending it flying into Godzilla's chest. Godzilla quickly took hold of the mecha, crushing its abdomen and rupturing its nuclear storage pods. A testament to Godzilla's unequaled strength, the All-Terraintula was destroyed, the ensuing nuclear explosion restoring Godzilla's full power.