Nick Caputo thinks the cover inker is Sol Brodsky. Carl Gafford and the original indexer credited Dick Ayers. Mark Evanier says it's Carl Hubbell.
Nick Caputo suspects that Carl Hubbell provided alterations on several figures throughout the story, particularly on pages 5, 10, 17 and 20, per his blog:
The episode title might be inspired by A. Tennyson’s poem Idylls of the King, The Passing of Arthur (1869): "The old order changeth, yielding place to new."
Letters from Ted Moore, Jerry DeStefano, Nathan Zimmerman, David Szurek, John Halloran, Richard Kraus, Maurice Johnson, Jack Marchese, Carl Czaga, and Charles Taylor. Includes “The Mighty Marvel Checklist.”