Or... Disney will do nothing at the parks. Why souls they. There's so much other content out there to choose from. The Indy ride at DLR is almost 20 years old, and they have only used that technology for Dinosaur at DAK. The ride at DLR Paris opened in '93. It hasn't been duplicated either.
With all of the other projects either being rumored (here), or planned by Disney, I don't see any new Indy attractions in the parks for a very long time, if ever.
As for the parks, I don't believe the deal means anything. Disney already owned the production rights through its acquisition of Lucasfilm, and already had theme park rights before then.
This deal is just buying back the marketing and distribution rights of future films. Paramount didn't have theme park rights.
According to the articles I have read, Disney didn't want to do anything else with Indy because Paramount owned the distribution rights - they may have gained ownership of the IP when they bought Star Wars, but they couldn't make full use (video games, toys, theme park attractions) as long as they were basically promoting a Paramount movie. Now that they own the whole enchilada, there's much more reason to develop all the other stuff - including theme park attractions.
And I can see several reasons why they ought to duplicate the Indiana Jones ride at WDW:
1) It's an awesome ride.
2) Yes, the technology already exists at WDW in the Dinosaur ride, but that's a totally different ride. There are lots of rides at WDW that have similar ride vehicles, but the experience is what matters.
3) There's already an Indiana Jones Stunt Spectacular at DHS, but some rumors state that it will be demolished as part of the Star Wars expansion anyway. Or, Disney could tie those together into an "Indy Land".
3) The ride is indoors, which suits Orlando weather very well.
4) The waiting area (at least at the DL version) is enormous, and either covered or indoors as well. This also suits Orlando very well. It also suits the new FP+ strategy that Disney appears to be going for - allowing for certain headliner attractions to build up enormous lines, but keeping guests entertained while in line. Indy does that very well, and could be absolutely brilliant with a more interactive queue.
5) Yes, Avatar and Star Wars will keep Disney busy for a long time. But at some point, Disney is going to make new Indiana Jones movies - that's the whole point of buying the rights from Paramount (who will keep distribution rights to the old movies). If they make new movies and they are successful, it's very easy to imagine a new attraction based on the new movies rather than the old Harrison Ford ones. Same ride, minimal development costs, an extensive, interactive queue area, but featuring new (and popular) actors. If the new Disney Indy movies are a success, there's no reason not to.
