The spin-off movies may follow one of the main characters in Guardians of the Galaxy depending on how well they, and the movie, are received. This means we might see a solo adventure for Rocket Raccoon (Bradley Cooper) and Groot (Vin Diesel), Drax the Destroyer (Dave Bautista), Gamora (Zoe Saldana) or Star-Lord (Chris Pratt) himself. It is also possible that we will see a Scarlet Witch (Elizabeth Olsen) and Quicksilver (Aaron Taylor) solo movie, with Vision and Scarlet Witch a huge possibility.
The report comes from Business Week, who landed a quote from Disney CEO Bob Iger.
Kevin Feige's overall plan is one that exists as an outline, and will continually shift and change depending on audiences tastes and want for a certain character.
About the solo movies being planned, this is the excerpt which explains the motive behind it.
To read the entire expansive article, which delves deep in the Marvel Cinematic Universe (including a conversation between Kevin Feige and director James Gunn that comes direct from the Guardians of the Galaxy editing room and may, or may not, involve Thanos floating in space):
What are your thoughts on this? Do you have a Guardians of the Galaxy or Avengers: Age of Ultron character you want to see spun-off into their own movie?
Avengers: Age of Ultron comes to theaters May 1st, 2015 and stars Aaron Taylor-Johnson, Scarlett Johansson, Robert Downey Jr., Elizabeth Olsen, Chris Hemsworth, Chris Evans, Cobie Smulders, Jeremy Renner. The film is directed by Joss Whedon.
Guardians of the Galaxy was released August 1st, 2014 and stars Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Lee Pace, Michael Rooker, Karen Gillan. The film is directed by James Gunn.