Marvel I Spider-Man (MCU)
It was probably irrational. Peter wanted to be a protector of the innocent, and these alien guys were definitely not innocent. But he was still having a hard time crossing that line.
Anyway, she was doing much better. He didn't need to worry, she could handle taking out the bad guys, and he could help with clean-up.
"Yes, Captain!" Peter said, lifting a hand to give her a salute. "Be safe, okay? You know how I worry." It was 98% teasing, because he knew she could handle herself.
Then he headed down to the street to continue working on civilian protection and support through the end of this mess.