Original article: http://www.cbr.com/12-marvel-heroes-...es-but-should/
I have a problem with the semantics. The title implies these characters never had a solo series but some did, such as Firestar and Kitty, but the Facebook comments say that limited series don't count as solo outings.
But anyways I always wanted Gladiator (the Shi'ar guy) to have his own series.