Corrected entry: When the plane takes off from Stark tower there is nothing to indicate a vertical take off - the engines are facing how they should be for a runway take off.
Corrected entry: Toomes figures out who Spider-Man is while he is driving them to the high school "Homecoming" dance. Peter walks into the dance, tells his date that he's sorry, runs through to the back of the school, exits the building, and gets punched in the face by The Shocker. How did The Shocker get to the back of the high school in the 60 seconds he left Toomes' car and ran out the back?
Corrected entry: When Spiderman is trapped in the back of the cargo truck he starts open up boxes. If you look closely he pulls out a terminator head.