Tokyo to Yokohama: 20mins Shinkansen ride or 30mins via train.
Foreman then goes from Yokohama to Hakone which takes around 2 hours with transfers. Yokohama is known for its Chinatown and has a sizeable Chinese enclave there. They also have a huge Gundam which is getting decomissioned in a few months.
Hakone is a relatively short trip away, known for its hot springs and nature trials, shrines/temples and museums.
Before the Marvel-boom, American TV series were really popular in Japan. A lot of series get an adaption like 24, Suits, The Good Doctor, etc. but they usually only get one season.