Well, he's seen a lot of beautiful human women, even with his sketchy memories of his prior life, and he's also seen inhuman females, so he would have some basis for comparison on her appearance.<br/><br/>Having what appears to be someone more than humanly beautiful walking into the square, on today of all days, after he's seen someone stirring up trouble .. I'm thinking that has the potential to set the spidey senses tingling :)