Continuity mistake: When Honey meets Hiro, she has earbuds in her ears playing music. She starts talking to Hiro, pulls them out of her ears, and they dangle out of her shirt. The dangling earbuds disappear in the close up shot of her and Hiro.
Continuity mistake: In the scene where Superman is trying to prevent the plane from crashing he is holding the nose of the plane and bits of it start to crumble in and fall apart or away. Once the plane is safely on the ground within the ballpark the scene shows the plane from the side where there is no damage to the nose. (00:40:15)
Continuity mistake: When the sharks attack Jack and Henry's rowboat, one bites a chunk of the stern and the hammerhead bites a chunk of the bow. In following shots the bow bite vanishes as the shark leaps over Jack and Henry when it lands in the water, and the damage at the stern not only changes, but it also vanishes when the shark imitates Bruce from Jaws and lands on the boat.
Continuity mistake: After Connor has thrown the toilet off the roof onto one of the Russians and landed on the other, he is unconscious on the ground. While Murphy is collecting things from the ground and the Russians, Connor's legs switch from straight to crossed. (00:24:09)