What was this expression trying to convey?

>>83802380

http://www.latimes.com/entertainment/herocomplex/la-et-hc-wonder-woman-gal-gadot-20160324-story.html

>That scene where she smiles in the battle is great, where did that come from?

>I did that. I remember after we did that take, Zack came to me and he said, "Did you just have a smirk?" I said "Yeah." And he asked, "Why? I think I like it, but why?" "Well if he's gonna mess with her, then she's gonna mess with him. And she knows she's gonna win." At the end of the day Wonder Woman is a peace seeker. But when fight arrives, she can fight. She's a warrior and she enjoys the adrenaline of the fight.

>>83802459
>she enjoys the adrenaline of the fight
yeah.. that's what it is, adrenaline, right