Hi. I've noticed two duplicate tags under Marvel Cinematic Universe:

Group: James "Rhodey" Rhodes/Sam Wilson
Group: James "Rhodey" Rhodes/Sam Wilson (MCU)

and

W’Kabi (BP 2018)
W’Kabi (MCU)

W’Kabi (BP 2018) is wandered in MCU from Black Panther.

There's a duplicate under Black Panther too, due to a wandering tag from MCU to Black Panther:

Okoye (BP 2018)
Okoye (MCU)

Okoye (MCU) is also wandered under The Avengers creating a duplicate:
Okoye (Avengers Movies)
Okoye (MCU)

There's also a duplicate in Star Wars Original Trilogy:

Group: Lando Calrissian/Han Solo/Leia Organa
Group: Lando Calrissian/Leia Organa/Han Solo (SW OT)