The Barb role was cut short when the character was dragged into the Upside-Down (a parallel universe) and killed. Purser appeared in only 6 episodes, not all of which her character was actually alive in. However, Winona Ryder's character Joyce Byers served as protagonist of the hit show's first season and appeared in all 8 episodes.
And that brought Twitter down hard.
barb from stranger things getting nominated for guest actress instead of gillian anderson for american gods pic.twitter.com/LDC5IckrPK