1. Lex Luthor's plot to get rich(er) by acquiring a large amount of land, whilst killing millions and billions of people in the process.
2. The dialog between Lex and his principal female accomplice (Kitty Kowalski this time and Eve Teschmacher the last time) about what his father used to tell him. And her later showing of emotion at a crucial time.
3. After saving an aircraft with Lois on board, Superman says, "I hope this doesn't put any of you off flying. Statistically speaking, it's still the safest way to travel." And, as in the first movie, Lois faints after Superman flies away.
4. Superman stops Lois from lighting a cigarette on a balcony before he takes her on a night-flight.
5. Clark Kent bumps into Lois, her purse falls to the floor, things fall out, and he helps her pick them up.
6. Clark and Lois and a revolving door.
7. Clark says, "Swell."
8. Young Superman running in a cornfield and throwing a ball to the horizon.
9. Superman's spacecraft and its skid marks on the ground.
10. Line about a news story concerning a massacre.
11. The piece of meteorite from Krypton found in Addis Ababa, Ethiopia.
12. Lex's wig collection.
13. John Williams' theme returns for the new film, re-composed by John Ottman.
14. The title graphics, while not the same, are designed in a similar style to the original. In the original film, they fly into the screen. In this film they do the opposite.
15. Marlon Brando plays Jor-El.
16. Kitty and Miss Teschmacher are both involved in a car accident, both designed by Lex Luthor as a distraction so that Luthor himself can steal a missile in the first film and a piece of Kryptonite in Superman Returns.
17. Lois's newspaper article "I spent the night with Superman" is referenced.
18. Superman nearly drowns in both films, due to Lex.
19. In the first film, Clark Kent has trouble hailing a taxi until Lois whistles one down. In this movie, it is Clark who whistles down the cab after Lois has trouble hailing one.
20. Superman is shot in the chest with a machine gun on a rooftop in both movies.
21. In both films, Superman nearly drowns from being exposed to kryptonite by Lex Luthor personally: a kryptonite necklace in the first film and the shard of kryptonite he's stabbed with in the second. Also, in both films a female character has to jump into the water to save him (Miss Teschmacher in the first and Lois in the second).