Still doesn't explain how the budget for ASM ended up massive at 230 million even with an entirely new cast for the reboot. ASM cost more to make than The Avengers!
For one thing, it has to absord any of the pre-production costs that the unmade Spider-Man 4
incurred. Which would include buying out the contracts of Raimi and Maguire if they had pay-or-play deals on the unmade film(s).