You're a fool. There is no way in hell Marvel made this movie or had any creative input. Marvel would never mess with Spiderman like this. They have nothing to gain from the box office for this film.
I can only hope that they totally sabotaged the script and production so Sony would be forced to sell it back to them. That's the only thing that makes sense.

You really think Sony will a person notorious for low quality products tinker with a cross-studio production?
Ghostbuster cost the studio some money, they NEED Spider-Man to be a hit

Pascal started her own production company, with a four-year contract for funding and distribution via Sony Pictures Entertainment. The company, called Pascal Pictures, hired Rachel O'Connor as production chief and Ian Dalrymple to open and run a New York branch. Pascal Pictures was expected to continue Amy Pascal's "book-friendly" focus, and Dalrymple's office was expected to facilitate this. She produced the Ghostbusters reboot film and
will produce the new Marvel Studios-produced Spider-Man: Homecoming
,in addition to theatre and television work.

They're only credited due to Sony "lending" the Spider-Man property to Marvel. Otherwise they have Zero creative influence.
Pascal and Sony won't mess this up like they did with Ghostbusters