Geeks or Posers? ft. the Cast of ’Riverdale,’ ’Supergirl,’ ’The Walking Dead’ & More | MTV News

We find out if the casts from ’Riverdale,’ ’Supergirl,’ ’The Walking Dead,’ & more SDCC stars are Geeks or Posers! #SanDiegoComicCon2019 #SDCC2019...