He has been promised the Dukedom of Sussex by Queen Elizabeth II, so his title will be Duke of Sussex.
Prince Harry is not a king. His title is Prince Henry of Wales.
Before his marriage to Queen Elizabeth II, Prince Philip's title was Prince of Greece and Denmark.
Prince Harry currently. It goes from Prince Charles, then Prince William then Prince Harry. Should Prince William now the Duke of Cambridge as of his marriage today if he had a child with the Duchess of Cambridge then that child would displace Prince Harry and the child of their marriage would be third inline to the British crown
Prince Harry's official royal title is Duke of Sussex. He was granted this title by Queen Elizabeth II upon his marriage to Meghan Markle in May 2018. Although he retains this title, he and Meghan stepped back from their roles as senior members of the royal family in early 2020 and have since adopted a more independent lifestyle.
Captain harry wales
It's Harry Potter and the Half-Blood Prince.
nothing
As a member of the royal family he inherited the title.
It's Harry Potter and the Half-Blood Prince.
Harry Potter and the Half-Blood Prince.
His Royal Highness Prince Henry Charles Albert David of Wales
His Royal Highness Prince Henry Charles Albert David of Wales