Because guess what? They're all coming back. Everyone.
Just like Jamie Foxx's Electro, Andrew Garfield will be back, and if Sony/Marvel can close a deal with Tobey Maguire, he'll be back too. Kirsten Dunst will return as MJ, and I expect Emma Stone to reprise her role as Gwen Stacy, pregnancy permitting. Why? Because this third Spider-Man movie starring Tom Holland will delve into the multi-verse, just like its animated counterpart Spider-Man: Into the Spider-Verse. I don't think that's a big secret at this point, so why do we pretend it is? Because we love the pageantry of it all.