One for the "Should Be" file:
"Dr Henry Jones Jr?"
"Who's asking?"
"I'm Doctor Daniel Jackson. Ah... can we talk, sir?"
"That depends. If it's about the Ark of the Covenant or the Holy Grail, then no."
"Ah, no... it's about, well, aliens."
"...look, kid, I dunno what you heard, but that whole crystal skull thing? Never Happened."
"...I'm sorry, what?"
Indy would have been in the perfect place and time to bump into the original Stargate discovery at Giza, and get dragged into some of the early experiments. And Crystal Skull could easily be replaced and improved by having Indy run into some sort of leftover Goa'uld hardware being scrambled for by some Cold War exotic-ops teams.
"Dr Henry Jones Jr?"
"Who's asking?"
"I'm Doctor Daniel Jackson. Ah... can we talk, sir?"
"That depends. If it's about the Ark of the Covenant or the Holy Grail, then no."
"Ah, no... it's about, well, aliens."
"...look, kid, I dunno what you heard, but that whole crystal skull thing? Never Happened."
"...I'm sorry, what?"
Indy would have been in the perfect place and time to bump into the original Stargate discovery at Giza, and get dragged into some of the early experiments. And Crystal Skull could easily be replaced and improved by having Indy run into some sort of leftover Goa'uld hardware being scrambled for by some Cold War exotic-ops teams.