Crystal Skull.
Interestingly, the trailer features what looks like a raid on the warehouse the Ark was put in.
My only two reservations are:
1. CGI explosion with CGI figures instead of one with real stuntmen, obviously so.
2. WTF is with Shia LeBoeuf or however that's spelled, who can't act worth a damn, in eveything?
Also not sure how I feel about Indy quite obviously being old and less capable of crazy action. Sometimes, it's best when pulp heroes are timeless and ageless.