Summary:

-Movie starts with Spider-man recovering the plutonium 

-No shaky footage of Aleksei Sytsevich

-Peter does not joke with Aleksei Sytsevich while lives are at stake

-Peter and Gwen are not dating because Peter made a promise to Captain Stacy

-Aunt May does not become a nurse because this movie has enough plot lines as it is

-Peter and Harry's conversation is more friendly

-Peter doesn't say to Gwen that he follows her and doesn't try to kiss her

-Max's cheesy puns removed

-Deleted scene added of Harry and Peter

-Peter does't kiss Gwen in the Maintenance closet 

-Deleted scene added of Gwen and aunt May

-Max's cheesy puns removed 

-Deleted scene added of Peter and aunt May 

-Deleted scene added of Harry's transformation into the green goblin

-Peter dialogue sounds less cheesy

-Gwen doesn't scream Peter to Spider-Man

-Plane scenes removed 

-Sinister six teaser removed 

-Deleted scene added as ending

-Old run time: 2:22:56

-New run time: 1:40:41

 

I made many more small changes that are not shown here.