Because there’s a big Indiana Jones show at MGM. Disney couldn’t screw it up worse than others could (or have ... Crystal Skull?)
They could make it work but you just know that as someone said upthread it will be a stupid CGI Extravaganza with the dorky quips meant to thrill 5 year olds.
Tie History to the modern history.
Intertwining stories.
Get som character development rather than CGI and doofy one liners.