Dr. Henry Jonathan Pym is a character appearing in American comic books published by Marvel Comics. Created by penciller Jack Kirby, editor-plotter Stan Lee and writer Larry Lieber, Pym debuted in Tales to Astonish #27. From Wikipedia
Actor Michael Douglas, known for his role as Hank Pym, has expressed dissatisfaction with Marvel for not fulfilling his wish for a dramatic death scene in 'Ant-Man and the Wasp: Quantumania', leading to his decision not to return.