The DCEU's next adventure is almost upon us, and in the meantime, there's more footage.

Warner Bros. Pictures has released a new "Aquaman" TV spot. The 30-second preview teases the fraught situation brewing in Atlantis. It shows the warrior Mera (Amber Heard) going to Arthur Curry/Aquaman (Jason Momoa), encouraging the half-human, half-Atlantean to intervene, as his half-brother, King Orm (Patrick Wilson), is on the brink of starting a war.

The TV spot, like the other trailers before it, has its fair share of intense moments, but it weaves in some lighthearted ones, too. Aquaman continues to fit in little quips here in there, like when he offers a simple apology to a woman after creating a massive amount of damage.

Watch below.

The superhero flick is directed by James Wan and also stars Willem Dafoe, Dolph Lundgren, Yahya Abdul-Mateen II, Nicole Kidman, Ludi Lin, and Temuera Morrison.

"Aquaman" washes into theaters Dec. 21.