All I know is just as Rambo NEEDs to die at the end of Rambo IV, well... Indy needs to be torn apart in some kind of dimensional rift paranormal occurance in a chaotic climax. Hear the theme music build up...
"Get outta' here kid!"
DUH DUH DUH dee, Duh Duh Duh... "Arrrrrrwwgghhhhhhhh!"
...is torn apart in a blue light. Shia lebouf left standing next to a pair of smoldering boots with only the ankles and frying flesh left, and drifting down out of the night sky floats down Indy's fedora.
The kid picks it up.
"I'll miss you man." (Beat), "but I need to get some sleep and get laid." He drops the hat on the ground and walks off.
Title on screen:
THANKS FOR WATCHING ALL THESE YEARS! THE END (maybe)
and then when harrison ford is nearing death in real life.
Indiana Jones 5: Escape From The Lost Dimension.
His no footed self on an alien power chair, wheezing and clutching onto his whip as he attempts to escape his fate. Coming back into our dimension he loses both arms, and arrives in time to see Jesus Christ throwing Satan into the lake of fire after the 1,000 year regin of Heaven on Earth. And indy starts to cry and takes his last breath.