There have been dozens of Arrowverse comics over the years, but it's hard to say which ones still "count" in the universe's final continuity.
The CW's DC adventures began in 2012 with Arrow and spanned over a decade, culminating in a spectacular finale with the conclusion of The Flash ... Kelly Larson, Earth-Prime #2: Superman ...
The 18th episode of The Flash ... the Arrowverse, with the five-episode special event kicking off The Flash’s eighth season. The crossover saw an alien threat (Despero) arrive on Earth.