I've seen people say that Clark protected Lex by finding Kara's dog before she had the chance to find out, and I agree that's hilarious, but that's not my read on the movie.
Clark genuinely cares about Krypto. He doesn't LIKE Krypto, but he's known Krypto since he was a puppy. This is a dog he begrudgingly cares about because that's family right there, and he's one of the only two living connections he has to Krypton, a home he never got to experience. Clark is truly distraught by Krypto's abduction. That's not a reaction where he's scared of what Kara will do - the way he acts in the Fortress and Lex's office is someone who's desperate to get something he cares about back from danger. He turns himself in to the government for that dog. On a meta level we can argue Kara wasn't ever mentioned until the end to keep the audience in the dark about Krypto being her dog, but in the narrative, it's pretty heavily implied that Kara is not the driving reason for Clark going through all of that for Krypto.
On a comedic level, though, I find it infinitely funnier that Clark doesn't have any fuckin' clue what lengths Kara is willing to go to. He sees the best in everyone, after all. I love the idea that he's instead thinking, "oh my gosh, she trusted me with her best friend in the whole universe. She's going to be so upset with me, and I can't betray her faith in me like this." Because let's be real, the worst thing he thinks will probably happen is Kara will stop talking to him... he's too hopeful to ever consider Kara might beat the ever living shit out of Lex and maybe even killing him. 😭
Idk, I just get this sense that Clark hasn't ever really been able to get to know Kara, and she's never let him try. I think she's shielding him from her anger because she sees him as too pure to deal with her trauma. I wouldn't be surprised if Clark knows she's rougher around the edges in battles but not much else. I think we'll see him be confronted by the lengths Kara is willing to go to in Man of Tomorrow in dealing with Lex and/or Brainiac. I just have this sense that they don't know each other. I think even Kara would be surprised by what Clark is willing to do.
And honestly, to me their fighting approaches aren't that different? As in, they'll both disrespect the shit out of whoever they're fighting. That windmill move Clark pulls on the Engineer is diabolical. It's a more tame version than what Kara does to Krem, but the Engineer hadn't even done anything that bad other than refuse the white flag when Clark offered it. He literally offers her the chance to stop fighting and purely because she refuses, he smacks her across the ground as a literal bludgeon. Clark and Kara are also very quick on their feet - we see this often through their respective movies. I think the only difference between them, really, is their fighting style, and how much their opponent is hurt by the end.
I'd love to see a moment where Kara watches Clark pull some bullshit on an enemy, and we see the shock in her expression, almost as though she's thinking, "damn, I didn't know you had that in you??"
