"There seems to be a little confusion about the nature of this “reboot.” The film is not going to be an origin story at this point. The release is a little unclear as to which script by James Vanderbilt they’re proceeding with; Vanderbilt wrote the original script to what would have been Raimi’s Spider-Man 4, but he was also hired to write two more sequels which were “being plotted as a franchise reboot (if necessary)” — implying a soft reboot, not a “go back and do the origin over again”
"It’s possible, with Raimi’s departure, the producers are actually scrapping the script for Spider-Man 4 (which would have featured the Vulture and possibly the Black Cat) and skipping forward to the plot for #5"