User blog comment:BlindmelonKen/Young Justice Legacy/@comment-1635895-20120222012115

My guess for playable heroes;
 * 1) Robin
 * 2) Aqualad
 * 3) Artemis
 * 4) Superboy
 * 5) Miss Martian
 * 6) Kid Flash
 * 7) Red Arrow
 * 8) Garth
 * 9) Tula
 * 10) Rocket
 * 11) Zatanna
 * 12) Captain Marvel