Aquaman and the Lost Kingdom

★ 6.5 on TMDB · Stream in the US: HBO Max Amazon Channel, YouTube TV, HBO Max (JustWatch). Black Manta seeks revenge on Aquaman for his father's death. Wielding the Black Trident's power, he becomes a formidable foe. To defend Atlantis, Arthur (Aquaman) forges an alliance with his imprisoned brother. They must protect the kingdom.