From the Nemesis book series, by April Daniels. [AGED UP].

When the world's greatest superhero, Dreadnought, was fatally wounded in battle, he passed his powers onto Danny Tozer, a transgender teen. In her new female body, Danny uses her newfound superpower to become the next Dreadnought, defender of New Port City.

If anyone knows the artist please comment so I can credit, I couldn't find it.