Question: What was the liquid in the big containers that Harley Quinn and Joker jumped in?
Answer: The same unknown acid/chemical combination that created the Joker in the first place.
Question: Who was the 4th person killed? In the when he confronts Toby, he says "Help me understand why 4 ppl died..." To my count, there were 3 ppl killed: 1. The customer in the bank in Post 2. Ranger Parker 3. Tanner (Ben Foster). (01:33:20)
Answer: The fourth person killed was the security guard in the bank at Post. He was killed just before the bank customer.
Question: Why are the officers wearing dress blues in the beginning of the movie? The replacement commander of the 110th has a chest full of ribbons...The black military police officer at the command center. Everyday military officers would be wearing Class A's or fatigues.
Answer: Although it's technically a mistake, it is common in films to show military officers in dress uniforms with medals and ribbons to show that particular soldiers are important. A layperson may not know military uniform protocols but they can certainly tell that dress uniforms with a lot of medals signifies high rank at a glance.
Question: When President Asher takes the phone call regarding Prime Minister Wilson's death, who would be the one authorized to call him to let him know? Would it be the new Prime Minister or someone else in the British government?
Answer: Once she saw the gun and knew how crazy the game was, she formed an idea that someone's would get shot and believed that it would be her.