Harrison_Ford was born in 1942 and could have comfortably retired many years ago. To be part of two big movie series like Star+Wars and Indiana_Jones is a great accomplishment. https://starwars.fandom.com/wiki/Harrison_Ford
Three, if you count the Blade_Runner movies.
HF knows that he has a huge fan base. https://www.indiewire.com/t/harrison-ford
He is in a very fortunate position to still do an occasional movie, just for fun.
https://en.wikipedia.org/wiki/Indiana_Jones#Films , https://www.youtube.com/watch?v=6dRw7zuP0PQ
https://en.wikipedia.org/wiki/Raiders_of_the_Lost_Ark , https://www.youtube.com/watch?v=SCZ_FPBDl0g
https://en.wikipedia.org/wiki/Indiana_Jones_and_the_Kingdom_of_the_Crystal_Skull , https://www.youtube.com/watch?v=Bz3dKqTjZO4
https://en.wikipedia.org/wiki/Indiana_Jones_and_the_Kingdom_of_the_Crystal_Skull#Sequel
https://www.facebook.com/indianajones , https://www.digitalspy.com/indiana-jones
https://www.glasgowtimes.co.uk/news/19436754.everything-know-far-indiana-jones-5-set-glasgow/
https://variety.com/t/indiana-jones-5 , https://deadline.com/tag/indiana-jones-5
https://www.indiewire.com/t/indiana-jones
https://en.wikipedia.org/wiki/Harrison_Ford_filmography
https://en.wikipedia.org/wiki/Han_Solo , https://en.wikipedia.org/wiki/Indiana_Jones
https://en.wikipedia.org/wiki/Rick_Deckard
http://www.californiaherps.com/films/snakefilms/BladeRunner.html
https://thedigitallabyrinth.blogspot.com/search?q=Blade+Runner
https://screenrant.com/indiana-jones-snake-fear-phobia-explained
https://indianajones.fandom.com/wiki/Snake_variants , https://www.youtube.com/watch?v=ClwIj3x24Q4 , https://indianajones.fandom.com/wiki/Ophidiophobia
