The Arrowverse had many unforgettable villains, but the shows weren't without villains that failed to live up to expectations. Most of the villains introduced in the Arrowverse come with history in the comics, which adds extra pressure to successfully translate them into live-action. There is a weight to important villains and certain storylines as if the shows failed them, it can tarnish the character's perception.

Every Arrowverse villain had potential, but only some were accepted by fans, as others were very disappointed when comparing them to other beloved villains. From DC's biggest threat to a ruthless speedster, there was a huge range of villains that populated the Arrowverse shows.

Cobalt Blue Was Rushed as The Flash's Final Big Bad Rick Cosnett Played Cobalt Blue

Cobalt Blue made his Arrowverse debut in The Flash Season 9, Episode 10, "A New World, Part One."

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