Nafessa Williams made her debut as Thunder in new promotional art released on Thursday for the upcoming superhero series Black Lightning.

The 28-year-old actress wore black and gold body armor and matching goggles as Thunder.

She stood with a grim look on her face as dark clouds hovered above and a lightning bolt crackled behind her.

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Coming soon: Nafessa Williams was shown as Thunder in new promo art released on Thursday for the upcoming series Black Lightning

Another poster showed Nafessa as Anissa Pierce in an all-black outfit and long braided hair.

She stood behind Cress Williams, 47, who appeared as Black Lightning in a yellow and black superhero costume with electricity sparking from his hands.

Cress plays charter school principal Jefferson Pierce and his superhero alter ego Black Lightning in the upcoming series on The CW.

The poster also featured China Ann McClain, 19, as Jennifer Pierce.

Superheroes series: The 28-year-old actress, shown in July in San Diego, plays Anissa Pierce and her alter ego Thunder

Nafessa took to social media on Tuesday and asked: 'Ready for a Black Lesbian Superhero?! #GetReady #GetLit #BlackLightning'.

Black Lightning was the first African-American superhero for DC Comics when it debuted in April 1977 with its own imprint.

The metahuman can generate and manipulate electricity and both his daughters also have superpowers.

Family affair: A poster also showed Cress Williams as Black Lightning along with Nafessa and co-star China Anne McClain

Black Lightning will premiere on January 16 on The CW.

Nafessa played Jade last year in the Twin Peaks revival and previously starred on the soap opera One Life To Live.

Cress previously starred in Hart Of Dixie, Friday Night Lights and Living Single.