It's hard to say what it's going for. It tilts its head towards Hanzo, who lets out a 'hrm' in response, before it pulls itself up a little further. Now it leans forward, almost out of the safety of Hanzo's shirt entirely, clearly interested in Peter and opting for a better look at him.

Hanzo, meanwhile, is attempting not to smirk. Peter's awe is fitting, but amusing nonetheless.