There's been some rumblings (which indyjones.net has picked up on) that the reason LucasArts remains mum on Indiana Jones and the Staff of Kings, despite its imminent Spring release window, is that the next issue of Nintendo Power is set to reveal all in an exclusive preview of the recently
The cover for the March issue of Nintendo Power would certainly seem to corroborate this suspicion. Ignore the implication that Indy will throw an octopus in this game and get excited!
Tingler's Update: It's also worth noting for UK Indy fans that as Nintendo Power is the official Nintendo magazine, the UK's Official Nintendo Magazine may well get it too (just like the recent Brutal Legend preview in both Official Xbox Mags). Indeed, the current issue of ONM is promising 'a very exciting game exclusively revealed' for their next issue.
Update 2: Official Nintendo Mag unfortunately says nope, it's not their big exclusive. Bugger.