We know what Marvel movies are part of Phase 2 of the Cinematic Universe: 'Iron Man 3,' 'Thor 2,' 'Captain America 2,' 'Guardians of the Galaxy' and 'The Avengers 2.' Beyond that, all that has been confirmed is Edgar Wright's 'Ant-Man.' But in an article on the future of 'The Avengers' we've got confirmation on what other movies Marvel is developing and it looks like Phase 3 is about to get very, very big.
Before they decided to get in the film business for themselves, Marvel used to license out their characters to different studios. And those studios can continue making movies about those characters as long as they have a film (or sequel or reboot) in production in the allotted amount of time. If they don't, the rights revert back to Marvel. With no sequels or reboots in active development, the rights to Blade and Ghost Rider have reverted back to Marvel.