There are three reasons: Tom Holland, Zendaya and Jacob Batalon. Combined, the “Spider-Man” films — not counting “Venom” and other spinoffs — have grossed more than $10 billion worldwide. Tom Holland in “Spider-Man: Brand New Day” (Sony Pictures)Clearly, the answer is yes. Gen Z still loves Spider-ManThe largest demographic for “Spider-Man: Brand New Day” was the 18-24 segment, which made up 36% of this historic opening weekend crowd. Tom Holland is a true box office hero.