Watch the third promo for the upcoming Elseworlds crossover, with this trailer focusing on Melissa Benoist’s Supergirl.
The plot involves Dr. John Deegan of Arkham Asylum rewriting reality, which results in Oliver Queen and Barry Allen swapping lives. It also appears in this altered reality that Supergirl is a villain.
The three-night Arrowverse Elseworlds crossover airs Sunday, Dec. 9 with The Flash, followed by Monday, Dec. 10 with Arrow, and concludes Tuesday, Dec. 11 with Supergirl also featuring Stephen Amell, Grant Gustin, Ruby Rose as Batwoman, Jeremy Davies as Dr. John Deegan of Arkham Asylum, Cassandra Jean Amell as Nora Fries, LaMonica Garret is playing The Monitor, an extraterrestrial being of infinite power, with John Wesley Shipp reprising his ’90s The Flash.
