Will Canon Replace Another Supertelephoto Prime Lens With a Zoom?

One of Canon's most exciting lenses is the new RF 100-300mm f/2.8 L IS USM, which takes the popular 300 f/2.8 supertelephoto prime and replaces it with a far more versatile zoom option at essentially the same price. Now, it appears the company may be planning a second major supertelephoto zoom lens. Canon Rumors is reporting that Canon is likely replacing the EF 500mm f/4L IS USM II lens with a zoom lens, the RF 200-500mm f/4L IS USM 1.4x. So far, the RF 100-300mm f/2.8 L IS USM has been received with a lot of praise, replacing the EF 300mm f/2.8L with a much more flexible zoom.