This hurts the MCU more than Spiderman. Loosing Spidey after Stark and Rogers is a big blow especially for future Avengers movie. They better not mess up on Fantastic 4 and X-Men now. Jason
Not really. The MCU has tons of options and the most successful track record in Hollywood. Sony's spider-verse has Venom (a crappy filmed that succeeded mainly on novelty value, so what will the sequel really do?), Into the Spider-verse (an animated success with animated box office numbers), and a bunch of half-baked, stupid spin-off plans (which they've repeatedly failed to get off the ground at all before).
Spider-man 3 is now basically all of Sony's eggs in one basket, and while they don't necessarily need the MCU connections for the movie to be good, they also can't truly excise all the things that happened in order to take full control of the story without rebooting the character, so they haven't really even retaken full creative control. (Unless they full on reboot again which would be total insanity.) Yet at the same time, losing the Marvel studios brand will unquestionably affect the box office (FFH made a billion dollars in no small part because of Avengers Endgame) and could actually affect the bts stuff in terms of who is willing to work on the film (Watts isn't signed for another movie yet, to give just one example, and Sony has a history of screwing up Spider-man films through executive interference). And that's without even getting into their long history of blatant incompetence in regards to Spider-man films, which judging by Venom (and the persistent rumors about Holland Spidey vs Venom, which I expect will now probably be what Sony wants) has not improved significantly.
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