Nebula

Missy, enemy of The Doctor, is amassing an elite team of super villains to cause mayhem on Earth. She's picked some of the best.

Nebula; warrior daughter of Thanos.

Eliza Harmon and Trajectory; Two personalities that share the same Speedster body.

Killer Frost; A cold-hearted vigilante who can make ice with her hands.

They plan to wreak destruction upon Earth.
Luckily, in their way are some of Earth's heroines; each one a force to reckon with on her own.

There's White Canary; a reincarnated assassin with a hunger for blood.

Black Widow; The Avenger Martial Artist and weapons Master.

Isabelle Lightwood; a Demon Hunter in 8" heels

And Cat Woman; a Cat Burglar who may or may not be on their side.

Possible minor spoilers.