To answer your question, here’s the reasonably interesting looking characters I remember from each show that we haven’t gotten already
I’d spoiler tag it but it seems I’ve forgotten how I tried three edits to get it going but nothing
Sam Wilson Captain America, The Scarlet Witch, White Vision, Halloween versions of Scarlet Witch, Vision, and their children, Agatha Harkness, Moon Knight, Mr. Knight, Khonshu, Hawkeye, Kate Bishop, pretty much the entirety of What If but particularly Watcher and Captain Carter, Sylvie, Classic Loki, Alligator Loki, Kid Loki, TVA Loki, He Who Remains