I've yet to comb through all 6 pages, so maybe these suggestions were made:

-Cut the circus natives attacking Indy and Mutt at the tomb. It has no bearing on anything whatsoever. They should arrive at the tomb and just go right in.

-Near the end, just before the Crystal Skull natives climb out of the walls, Mutt grabs a torch and says "someone's been here" or something. Cut this bit. It spoils it for the audience that someone is there, plus who would've used it? The natives hiding in the walls? or Oxley who was last there weeks ago?

-Cut as many sequences possible of Indy asking others (Oxley mostly) what to do next. Indy should figure things out himself.

-Cut the shots with the tracking device Mac drops. It spoils the ultimate reveal that he is bad, and Spalko could just figure out where they're going from piecing previous clues and using her telepathic powers.

-Trim Indy asking about Mutt's mother in the diner. Indy's already invested because of Oxley. But once Indy asks about Mutt's mom, it opens a can of worms. Like, if Indy didn't recognise who Mutt's mom was, you'd think he'd ask who his dad was, and right there Indy would've been able to put two and two together.