[he's taken aback, but not too aback. he's used to having loud blonds all up in his business. this sure tells him he's got to consider the question more carefully - even if he's going to humour kano like he would humour his siblings when they can't let go of an idea.]

I'm a superhero, huh?

[a thoughtful chin tap]

Hm... I think if I could freeze time I would stop the train first and hurry to untie her until the time-stop spell wears off.

[he's looking into comics and videogames for inspiration] Is that valid enough? How would you do it?