Winger appearing in Nike advertisements (3)
I believe the answer is:
kea
'winger' is the definition.
(kea is a kind of bird)
'in nike advertisements' is the wordplay.
'in' says the answer is hidden in the clue.
'KEA' can be found hidden inside 'nike advertisements'.
'appearing' is the link.
(Other definitions for kea that I've seen before include "Large New Zealand parrot" , "bird" , "NZ flyer" , "Green NZ parrot" , "NZ mountain parrot" .)