Continuity mistake: When blood gushes out of the bullet wound during 05's introduction, in the first slo-mo the squirt goes diagonally across her eye. Then all that is left is a horizontal streak from the mouth. It is implied that between cuts she fit her glove by biting it, so the inconsistency can be explained (even if just a rushed wipe would hardly clean her completely). The real mistakes are: 1 - she has a dotted streak of blood before and after, entirely inconsistent with those close-ups, and 2 - when Ryan Reynolds and Dave Franco are talking about the 'squirting', you can see in the background Adria Arjona's face is totally clean. (00:07:55)
Visible crew/equipment: When Lionel returns to the jazz bar and discovers Billy Rose has been killed (framed as a suicide), you can see two people standing in the shadows to the left of Lionel as he enters the main room where the stage is located. A man is hunched over, whilst a woman is standing still wearing what looks like a dust mask. (01:32:27)
Other mistake: During the lightspeed skipping sequence, there is a scene where two Millennium Falcons appear on screen.
Suggested correction: These are mirror spires, a reflective surface. It's not a mistake.
It was confirmed to be a mistake in rendering. The "mirror spires" was made up to try and excuse the error.
Revealing mistake: The film was rushed to theaters, leaving a few mistakes which Universal fixed. In the original cut, toward the end, Judi Dench's human hand is visible, complete with her wedding ring. This was fixed for the re-release.
Continuity mistake: Vers KOs the Skrull she does the warcry thing at, and then another one on the corridor steps. She is then seen fighting from the perspective of the corridor to her right, but there are no Skrulls in sight against that door, while at least one was already lying down there. There are two when the camera gets back closer, and when she neutralizes the last one who bounces onto his own stun mace, there are again two, and she somehow got between the last one and the others. (00:20:30)
Continuity mistake: When Alita is playing the street version of motor ball she knocks over Tanji. In the next shot Tanji is following her in the pack as she scores, then the shot switches back to him on the ground.
Continuity mistake: When Ash and friends are entering the wharf, there are two people that change between shot. There is also a person who goes from having his right hand in his lap to having it scratching his head. (00:23:06)
Other mistake: When Cliff fights Bruce Lee the doors are already dented before Bruce gets tossed into them.
Revealing mistake: A basket with fireworks catches fire. When the basket is flung into the air, they forgot to add the CGI for it, so it's not burning at all. But the effect is there in the second shot, when Aladdin bicycle kicks it away. (00:06:00)
Continuity mistake: In the first scene at Grandma's house, she wakes Nicole and Henry up early, and tells him to go make mom some coffee. Between shots there are different continuity errors; at first the sheet is rumpled, then the blanket is covering it entirely, then when Grandma leans in and kisses him you can notice Scarlett's right arm first on her chest then behind her back, and Azhy Robertson's chest is uncovered in the second shot when he was still under the blanket up to his neck earlier. (00:15:40)
Continuity mistake: The plate on the vehicle (Silver Mustang - IV6866R), appears in one scene and disappears in the next. (01:21:10)
Continuity mistake: When the girls bring a birthday cake into Judy's room at the first time, her bed sheet is patterned with what looks like flowers but when Judy is fast asleep the next time, the sheets are plain white. (00:52:30 - 01:15:30)
Continuity mistake: Gabriela's luggage crashes down the slope into the vehicle of the beefy co-protagonist. During the scene, the bra on the pickup's hood is positioned in an obvious different way (also coming lower onto the fender's arc) between shots. (00:13:00)
Continuity mistake: Bruce and Selina sneak away from the party while Bruce's neglected childhood friend fetches the drink. The bottles on the shelves behind the counter change between shots when he goes "Seriously? Both of them?" It's like a portion of the leftmost shelf has been sliced off for the close-up. (00:05:00)
Continuity mistake: When Russ and Frank are in the hotel pool the woman in the left is holding a cigarette. In the close-up it swaps to a lemonade. Then in the wide angle it swaps back to a cigarette.
Continuity mistake: When Billy finally finds his mom and talks to her in front of her apartment, the door behind her changes from (almost) fully closed to much more open, to an intermediate state, and fully closed again at the end. (01:25:30 - 01:28:00)
Continuity mistake: Ellen and Joe just got out of the motel room and begin walking towards the marina. Left of frame, a young couple (she has a cap and denim, he has a full carrot top and a bright red plaid shirt, can't miss them) walking up some stairs on the left, going in the same direction as they do, different path. At the next cut, they are walking down the same boardwalk as Ellen and Joe and in the opposite direction. (00:04:30)
Visible crew/equipment: Amo just passed out in the back of the car. Vic opens the front door to sit in the passenger seat; in the window, the boom mike is reflected. (00:39:00)
Revealing mistake: In Guatemala, when Arnie shoots John, in the shots from behind Arnie's body double is noticeable.
Continuity mistake: On top of the ladder, the Xmas lights wrapped around Shane change between shots repeatedly. (00:38:00)