Didn't they just sign a new 2-movie contract with NWH being the first appearance under that new contract? The contract was signed after FFH was released.From Collider's recent interview, this will be closing the current contract in-place for Tom Holland to be playing as Spider-Man, but it seems that things are more amicable now between Marvel and Sony.
Tom Holland Says ‘Spider-Man 3’ Completes His Current Contract, But “If They Want Me Back, I’ll Be There in a Heartbeat”
Tom Holland's Spider-Man contract is up after Spider-Man: No Way Home, but he's not necessarily itching to leave the franchise just yet.collider.com
Sony & Marvel’s NEW Spider-Man Deal Explained
Spider-Man is sticking around in the MCU for at least two more movies - but how does the deal between Sony and Marvel work?
screenrant.com