According to IMDB, she will appear in the final two episodes of Bates Motel, ‘Visiting Hours’ and ‘The Body’.
Cordova-Buckley is currently in Agents of S.H.I.E.L.D. as Elena ‘Yo-Yo’ Rodriguez, a fan-favorite character who got her own spinoff on Marvel Digital (Slingshot).
Bates Motel season 5 airs Mondays at 10pm on A&E.
As it stands now, it looks like fans are just going to have to wait until April 17 to find out exactly how Cordova-Buckley will be appearing.