Natasha stopped mid-step and breathed out an surprised "Huh", before continuing on, to an onlooker it wouldn't have registered because she recovered so quick. Still it wasn't every day someone just reveals their furry blue-ness in the middle of a park, granted the park was near deserted. The S.H.I.E.L.D agents continued to shadow him, looking nonchalant and took a different route round a piece of grass to break up the trail, it wouldn't do to have her target get suspicious.
"It would seem big blue decided to show himself after all. " She murmured, pressing her fingers to the ear piece.