How is it that the battle between the Vengeance and the Enterprise took place for so long without anyone on Earth providing assistance? Shouldn't Starfleet have some sort of planetary defense contingency against a starship (or fleet of them) appearing within the Earth's orbit?

When Jarvis wakes Tony up when he is in Tennessee, there is quite a lot of blood on his face. But when he takes off his mask, so before he had any time to wipe it off, the amount of blood decreases significantly.

As Kal-El is flying for the first time, there is a shot from behind Kal-El flying through a canyon. In this shot, one can notice to the bottom left of screen a stage light reflection.

When Dom runs against Letty the space between the cars and the girl who starts the race changes between shots.

Meyer meets Nick and places his hand on his shoulder. A frame later Meyer is standing sideways, several meters away from Nick.

At Alan's dad's funeral, when Alan takes a picture of himself in front of his dad's portrait with his camera phone, the phone's camera is facing away from him. This is corroborated further when he takes a picture later in the film with the same phone of Phil climbing down to the balcony of Chow's suite at Caesar's Palace. The phone's camera is now correctly facing towards Phil.

One thousand years after mankind has abandoned earth, despite the abundance of lush foliage, there is a marked absence of oxygen? And if so, it appears that the indigenous wildlife has rapidly adapted to the scarcity.

When Felix calls Calhoun a "dynamite gal" she has a flashback of her former fiance calling her a dynamite gal. The last time he called her a dynamite gal, it was at the wedding. He only manages to say "dynamite" before the cy-bug bursts through the window and he gets eaten by the cy-bug. However, during the first flashback of Calhoun's former fiance before she and Felix enter Sugar Rush, it shows the former fiance getting eaten by the cy-bug at the wedding, but he didn't say "dynamite gal" before he was eaten. Also in the first flashback, their arms are by their side. But in the second flashback, their arms are interlocked with each other.

When Bofur tells Bilbo in the cave that he is homesick, Bilbo's hair suddenly gets a lot wetter.

They play a track "When the Levee Breaks" from a Led Zeppelin album. The hand shows the needle being placed at the next to last track on the album. However, "When the Levee breaks" is the last track on Led Zeppelin IV's second side.