Andrew Garfield stated that he felt that the amount of Executive Meddling that was applied ultimately hurt the final product, and that the removal of several subplots (such as further exploring Peter's life without his parents or his uncle) in favor of others left a negative impact on the movie. Still, he did say that he still enjoyed working on the movie, and that he did like Kurtzman and Orci's original script prior to the studio making several major changes to it.
James Horner, the composer of the first film, disliked the script to this movie so much that he refused to serve as a composer to this movie. One point in particular that turned him off from the project was the death of Gwen after much of the movie was dedicated to her romance with Peter. Like Garfield, he criticized Sony's Executive Meddling over letting Marc Webb tell his own story.
Alan Fine, Marvel Entertainment's president, claimed that he "wanted to burn the [script's] draft after reading it" in a leaked e-mail - the draft which seems to have been the basis for the final film.
Almost. Felicity Jones plays Felicia Hardy. And one of Felicia's comic aliases is Felicity...
A Throw It In! example. Jorge Vega plays Jorge, because the child actor was having trouble responding to instructions with other names.
Deleted Role: Shailene Woodley was cast as Mary Jane Watson, and even filmed scenes. Her role was ultimately cut from the film because the filmmakers felt there were too many characters and wanted to streamline the film, whilst also providing greater focus on the Peter/Gwen relationship. The producers of the film have since said that the footage will not likely be included on the DVD, given that it apparently didn't make any sense in any cut of the movie. Shailene herself commented on it after the movie came out, saying she shot about five minutes worth of scenes and that she was thankful it was being cut - if they were gonna introduce Mary Jane, they couldn't just toss her in awkwardly.
An extended scene of Richard and Mary Parker were at a private plane but an assassin was plan to kill them, Richard was originally going to steal the man's gun and see if the pilot is flying revealing the pilot to be dead and the plane to going once he lie face down, resulting the plane crash.
In Peter's and Gwen's high school graduation, Flash goes up to Gwen and thanks her for all the tutoring for college.
Max is celebrating his birthday until the power shuts down, leaving his mother having no power for her oxygen tank. Max fixes the tank and told his mom that its is his birthday while his mom continues to make fun of him.
While visiting Oscorp, Peter is introduced to new tech, a battlesuit prototype that improves physical attributes. After showing Peter that, Harry showed him a piece of surveillance photos of him as a child, Peter asked why to which Harry replied, "Isn't that the question of the day?"
After turning into the Green Goblin, Harry went on a rampage at Oscorp and started to use pumpkin bombs to attack the military operatives. After the devastation, the people at Oscorp began to escape, Felecia was going to run until she saw her boss' disfigurement, Harry looked at himself in the mirror and shouted at her to leave.
Harry was supposed to kill Donald Menken by throwing him on top of a building, which would explained why he disappeared throughout the film.
After mourning the death of Gwen Stacy, Peter was at her funeral for several months, upon that time his father had appeared and began tell him of what had happened with him at Oscorp and how is mother couldn't make it. After revealing much truth, Richard explain that people died for nothing if we lose hope and that it was not his destiny to save peoples lives rather it was Peter all along, saying with great power comes great responsibility.
An alternate shot of Spider-Man throwing a manhole cover by hand and throwing it at the Rhino.
Kaz Hirai (Sony's CEO at the time) apparently had a hand in the editing process of the film, in spite of his limited experience with editing in general.
There were a ton of changes made to the movie's script, as detailed under "What Could Have Been". It's been rumored that said changes were done to appeal to the studio instead of being for story purposes.
Franchise Killer: While the movie did make money, it fell far below Sony's expectations, and the more polarized critical reception definitely left its mark. The idea of setting up a shared universe (which was started with this film, as the first film was very much a standalone story) that mainly consisted of Villain-centric stories was met with criticism, considering that reception to the main franchise wasn't positive enough to warrant interest in expanding to other characters, let alone villains. Sony and Disney instead teamed up to have Spidey debut in the Marvel Cinematic Universe in Captain America: Civil War, before starring in his own movies that are made with the involvement of both Sony and Marvel Studios, while the story arc that this series was attempting to tell was shut down prematurely.
A dark example. Promptly after it was announced that Mary Jane Watson's scenes were going to be cut from the movie, fans began speculating that Gwen Stacy dying had something to do with this. Lo and behold, they were right.
Many fans had begun to correctly speculate the same thing after footage and set photos were shown of Emma Stone wearing Gwen's outfit from The Night Gwen Stacy Died.
Lying Creator: Marc Webb stated in an interview that Rhino built his own armor, which was supported by all the Russian stickers and emblems on it. In the movie the Russian markings are removed and it was built by Oscorp.
Market-Based Title: The film was released as The Amazing Spider-Man: Le Destin d'un héros (The Amazing Spider-Man: Destiny of a Hero) in France.
Missing Trailer Scene: The scene where Harry informs Peter that Oscorp has been monitoring him was cut, as were the scenes of Gwen visiting Aunt May while looking for Peter, Peter sitting on a building, and Norman's remark that "We have plans for you, Peter Parker...". The scene with the Man In the Shadows walking past the Oscorp equipment was also altered, with the Venom symbiote being replaced with Rhino's armour.
Spared by the Cut: Harry originally killed Donald Meeken by throwing him off a building.
Stillborn Franchise: Although the movie is a sequel, it qualifies for the trope since was meant to be the launchpad to a Spider-Man Cinematic Universe - one with 13 other movies in development set for release before 2020. That changed when the movie didn't meet Sony's financial expectations, the writers found themselves limited by not having access to a lot of content from the Marvel Universe to work with, and when Marvel Studios outright offered them a better deal that cost them absolutely nothing to carry out. While it appears as though Sony will still continue to go forward with making tons of Spider-Man movies and spinoffs (albeit at a more reasonable pace), it will now be done inside the Marvel Cinematic Universe instead of one limited to just Spider-Man. The long-term story arc revolving around Oscorp, Peter's parents, and the Sinister Six was also abandoned completely; the next version of Spider-Man has nothing to do with this version.
Throw It In!: According to the commentary, Gwen yelling "PETER!" when Spider-Man webs up her to the hood of the police car and her subsequent Oh, Crap! expression weren't in the script, but they decided to keep it in.
Fandom Nod: Spider-Man notes how bad of a name "Shocker" really is.
Franchise Killer: For Activision's run on the Marvel license as a whole. It was already on shaky grounds befofehand, but not counting the later remaster of the Deadpool game, this was the last new game made. Rather tellingly, it took more than four years for there to be another majorSpider-Mangame, and Activision has nothing to do with it.