The inspiration behind this video:
The appearance of Clea fits in with the popular theory that the MCU's next big team-up will be following Marvel Comics' Secret Wars storyline.
The introduction of the multiverse in Marvel projects such as Loki, What If...?, and Doctor Strange in the Multiverse of Madness seems to have been hinting towards a multiversal war with Kang the Conquerer.
Watch The Trailer Now;
Since it's still early days, it's unclear when and where Theron will appear in the MCU again.
The actress technically hasn't commented on her role as Clea in any official capacity and she likely won't for the time being as Marvel waits for fans to see the movie before spoiling the big surprise.
[Via] - Screen Culture