Peter knows a thing or two about wandering. Only, he's decided that wandering the halls by floor is a little ... well, 'mainstream'.

He prefers the ceilings.

And besides which, he's started to feel antsy (because 'spidery' doesn't quite work), trapped on a ship when he'd much rather be freely webslinging the skyscrapers of Manhattan. This is the closest he can come to being Spider-Man for a little bit.

He's been careful about it too. The halls are thankfully empty most of the time, and when they aren't, his spidey senses warn him of anyone approaching.

... which is how Peter comes to be standing right past the corner when Sean turns left.

"Uh - hi."