Corrected entry: As the plane falls to Earth toward the start of the movie, there is no sign of re-entry heat being built up on the plane do to air resistance and air compression beneath the plane.
Corrected entry: How does Clark Kent manage to conceal a long, red cape in his suit?
Correction: How is the suit impervious to bullets? I'm sure that the suit and cape have 'special' abilities, one of which could be tucking it into his pants. Another one easily could be that it's extremely light and easily folded so as to avoid dection under a suit.
Corrected entry: Near the end of Superman when he reaches the new island he confronts Lex and suddenly becomes weak because there is Kryptonite near him. This makes him so weak that Lex and his 2 goons can beat him up and gives Lex the opportunity to stab Superman with a sharp piece of Kryptonite, Superman is then pushed into the water but manages to lift the island up (although being stabbed with Kryptonite) even though a large piece of Kryptonite is right in front of his face. Superman lifts the island into space before falling.
Correction: After Lois removes the kryptonite from his wound, Superman flies up close to the Sun, healing himself and "supercharging" himself to be able to move the island. Clearly he over exerts himself, as immediately afterward he falls to Earth.
Corrected entry: During the flashback, when Clark is learning how to fly he appears to be between 11 and 13 years old. In these scenes he is wearing glasses. In Superman I it is established that Clark did not wear glasses until he was a grown man. He is seen without glasses in Superman I as a high school-age teenager. He adopted the glasses as part of his "disguise" when he went to Metropolis.
Correction: Actually, Clark in this shot has been established as FIFTEEN by Singer and co, several years younger than the teenager we saw in Superman I. The implication established in this scene is that Clark DID need those glasses until his powers fully kicked in (with flight). This doesn't contradict the adult Clark later utilizing the glasses again as part of his disguise. It must also be noted that Superman Returns exists in a *vague continuity* with Superman I and II: not every single detail exists as we remember it. On the shelf with pictures of the Kents, we see a photo of a bespectacled Clark in graduation clothing. Clark may have worn glasses all his teenage life, up until adulthood. Perhaps the manifestation of his Kryptonian invulnerability/ abilities were sporadic until then, and he genuinely needed them.
Corrected entry: When Superman is hovering above the earth in space it zooms in on his ear, showing that he is listening to the whole world. The only problem is that you cannot hear in space. Sounds do not travel in a vacuum such as space, super-hearing or not.
Correction: It is likely that Superman is in the uppermost layer of the atmosphere - the exosphere, where sound can still travel.
Corrected entry: When Superman is first flying toward the Genesis shuttle, a controller says an unidentified bogie (Superman) is approaching from the North, but the computer screens (one of which even shows a compass) indicate that Superman is apparently coming in from approximately the South East.
Correction: It is traditional but by no means compulsory to have north uppermost on a map or radar screen, and in orbit where 'up' and 'down' are meaningless concepts anyway the radar screen could be oriented any which way.
Correction: A plane would not build up enough speed or resistance to show signs of heat. A plane staying within the atmosphere would reach terminal velocity long before it was going fast enough to heat up from friction. The aluminum and titanium of the fuselage can withstand very high temperatures, with melting point not until the thousands of degrees fahrenheit.