Considering Sonic has never canonically seen a female hedgehog before in the movie canon, I actually kinda expect for him to fall for Amy in Movie 4. Not a Sonamy shi🐬pper, but for the 3rd act of the movie, I can also definitely see Amy getting kidnapped by Metal Sonic like in Sonic CD, with Sonic saving her from possible death, which🎶 ends up causing her to fall for him back.