Mangog crushed Ultimate Thor hammer, Nul crushed a Mjlonir level hammer. Mangog took out War Thor, Nul fought and was winning against the Avengers which included Doctor Strange, Namor and Red She Hulk. Nul was considered the worst threat as the serpent. Numero uno and the team consisted of some power houses. He ripped adamantium with ease and took down a gang of Wendigos while smiling.
Mangog current fts while impressive, he gets his spleen ripped out here.