Continuity mistake: Right in the beginning, Wade hops out a window from his home and starts walking beside it to the edge to climb to the next level down. As he starts walking he passes by another window with a curtain. It then cuts to a closer angle and suddenly the window no longer has a curtain. Also a wire appears on the wall in front of him. And you can tell it is the same house, not a time jump, as the rust at the top of the window frame is exactly the same. (00:01:15)
Continuity mistake: When Ken Wheatley is pointing his tranquilizer gun at Zia after he shot Owen, he puts the gun in his left hand and uses his right hand to wave his men down, but mid wave, the camera cuts to a different angle and he is waving with his left hand while holding the gun in his right hand. (00:30:00)
Factual error: During the mid-credits scene T'Challa is addressing the United Nations about Wakanda's true nature. A Welsh flag can be seen among the other nation's flags, which would suggest that Wales is a separate nation from The United Kingdom - not the case.
Continuity mistake: When Davis puts a ziplock bag on his hand and picks up the first canister, you can see brown dirt caked onto the sides of it from the ground. Once the girl asks what it is, it cuts to a different angle showing Davis' face before he says he doesn't know. Suddenly in that shot, the dirt has vanished. (00:17:15)
Visible crew/equipment: When Dmitri gets weapons from the back of the government vehicle: you can see the reflection of 3 crew members in the window of the truck. In the same shot you can see a crew member's gloved hand holding a flashlight inside the vehicle to light the scene. (01:16:00)
Continuity mistake: When Thompson is about to climb into the bed with Eve, she has her hands in her lap with the Mem Glasses. In the next shot suddenly her hand is up by her head as she messes with her hair. (00:21:05)
Continuity mistake: Trying to stop the bank robbery, the SWAT team arrive and they line up guns at the ready. It shows three of the four kneeling down with one standing as they take aim and start to shoot. In the next shot, suddenly all four are standing up and the SWAT Team armored truck appears beside them. (00:01:40)
Continuity mistake: Right when the guards enter the home and the walls explode, Arthur swaps between having short curly hair to it being very long and straight.
Continuity mistake: Malorie pulls out her Sig Sauer P229 handgun and begins firing but the insane guy disarms her and the handgun falls. Malorie is on a boat and the crazy guy is standing in deep water. It isn't shown where the handgun lands when it falls out of the insane guy's hand. Later on Malorie pulls another Sig Sauer handgun from the same holster, however this time it's a model P228 or possibly P226, the 226 has a 0.5 inch longer barrel. The 229 and 228 have completely different slides. The 229 is a legacy. (00:36:50 - 01:01:30)
Continuity mistake: In the first WW2 flashback the protagonist is handing the various items to the Nazi doorman. When he puts down the pen, he is doing it with a left hand in the table close-up, but he picked it with his right, as the left arm is busy holding the coat. (00:02:05)
Other mistake: When Eddie is in his apartment and on the hunt for a new job, he uses his phone to text a contact while looking for work. His phone shows no signal meter. (00:23:10)
Continuity mistake: At the start when Hope is playing in her room, in a wide shot there's a wooden stand with a plant on it by the teddy bear in the background. In a closeup of her this stand has vanished.