Factual error: Aquaman lifts a submerged submarine towards the surface, which should start to sink again straight after releasing it, as its ballast tanks are still full of water. It shouldn't stay floating like that.
Trivia: The Anabelle doll from The Conjuring, another film of director James Wan, is visible while Mera is taking Arthur to her submarine ship. Blurry but there.
Answer:Just because he's the bad guy doesn't mean he didn't go to college. He could be a genius and gotten a brief working knowledge from the Atlantis soldiers.
Answer: Just because he's the bad guy doesn't mean he didn't go to college. He could be a genius and gotten a brief working knowledge from the Atlantis soldiers.