I'm taking a wait-and-see approach with The Amazing Spider-Man, so pre-ordering isn't exactly on my mind in any meaningful capacity. That said, the game does interest me more than the last few to come out, and the (Xbox 360- and PS3-only) bonuses for putting money down ahead of the June 26 launch sound pretty great.
GameStop is offering "The Rhino Challenge," a timed event in which you, as the Rhino, must break as much of New York City as possible. Meanwhile, Amazon has a mission with a playable Stan Lee, fully voiced by Lee himself. He's mysteriously gained Spider-Man's abilities and must collect pages of a script while making humorous remarks. As you do.
Naturally, we then get to the problem where both bonuses have their own appeal. The Rhino stuff sounds more enjoyable from a gameplay perspective, but Stan Lee? Come on, that's not fair.