He’s what? 18? Basically nothing in viltrumite timeframe.
Literally gets dominated by Lucan using one finger.
Then he gets his ass beat by Thula, who has hundreds of years of experience minimum, mind you viltrumites get stronger with age, aaand somehow a pep talk allows him to almost kill her? What? Mind you, in the comics this Thula threw down with Battle Beast and walked away alive
Viltrumites are strong, but they are arrogantly prideful and that is a potent weakness to take advantage of; if they assume you’re inferior they aren’t going to take the fight as seriously. She assumed Mark was beneath her, and once Mark surprised her by removing his own mental limit, it let him take control.
She spent so long tossing him around that she started underestimating him, she got sloppy, so Mark was able to take control of the tempo. As soon as he flinched she turned the tables, and showed she had the ability to end things very quickly, but instead had been messing around slicing him for fun.
She was playing with her food, testing him. “You’re Nolan’s boy, I’ll make this quick” went out the door as soon as Nolan tossed the other fighter at her.