Here's a report that suggests what Marvel's plans are over the next few years ... and gives credence to that last scene in Iron Man.
http://biz.yahoo.com/bw/080505/20080505005656.html?.v=1Here's a rundown of the projects planned over the next three years:
Feature Film Projects Being Developed by Marvel ? partial list
Film/Character Studio Status
Iron Man Marvel Released May 2, 2008
The Incredible Hulk Marvel Scheduled for June 13, 2008 release
Iron Man 2 Marvel Scheduled for April 30, 2010 release
Thor Marvel Scheduled for June 4, 2010 release
The First Avenger: Captain America (working title) Marvel Scheduled for May 6, 2011 release
The Avengers Marvel Scheduled for July 2011 release
Ant-Man Marvel Writer/director engaged
Licensed Marvel Character Feature Film Line-Up
Film/Character Studio/Distributor Status
Punisher: War Zone Lionsgate Scheduled for December 5, 2008 release
X-Men Origins: Wolverine Fox Scheduled for May 1, 2009 release
Those that appear in bold are the ones I can't wait to see.