Fun fact - they originally intended to include advertising for things like olive oil but cut it because it seemed too unrealistic.

In reality the Colosseum and gladiators did advertise things like olive oil.

https://www.reddit.com/r/todayilearned/comments/8qdba1/til_ridley_scott_tried_to_make_gladiator_2000_an/?utm_source=share&utm_medium=android_app&utm_name=androidcss&utm_term=1&utm_content=share_button