The "God Friended Me" star replaces Ruby Rose, who departed the CW series after one season.
The actor shared a cryptic Instagram post about leaving the CW series after one season.
The actor played the first openly queer superhero in a live-action series title role.
Ruby Rose plays Gotham City's LGBTQ crime-fighter on the CW series.
"Well that was fun," the "Batwoman" star quipped on Instagram.
The CW series — the first superhero live-action TV series to feature an LGBTQ title character — is set to debut in the fall.
The CW announced it was picking up the show, making Ruby Rose's character the first openly queer superhero in the title role of a live-action series.
The superhero is an "out lesbian and trained street fighter" who might be getting her own series.
"The Meg" actor also deactivated public comments on her Instagram account.
“It’s a game-changer."