In the novels about Harry Potter and his friends Hermione Granger and Ron Weasley, which movie has the first appearance of the main protagonist?
Harry Potter:  The novels chronicle the life of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. Lord Voldemort: Lord Voldemort ( , or in the films; born Tom Marvolo Riddle) is a fictional character and the main antagonist in J. K. Rowling's series of "Harry Potter" novels. Lord Voldemort:  Voldemort first appeared in "Harry Potter and the Philosopher's Stone", which was released in 1997.
"Harry Potter and the Philosopher's Stone"