First appeared in Nova #1 in 1976 and was created by Marv Wolfman and John Buscema. Richard Rider is the first Marvel superhero to be known as Nova. He became Nova when he was chosen by Rhomann Dey of the Nova Corps to take his place in its ranks.
Characters that have not yet been in live action (MARVEL)
These are characters from Marvel Comics who haven't had screen time in the Marvel Live Action World. Maybe some of these characters will appear in future live action movies? Would be cool to see. Only time will tell...