AVENGERS (1963) #375

Black Knight discovers that Proctor is his parallel Earth counterpart. After realizing that her madness may be incurable, Sersi banishes herself to a pocket dimension. Plus, Ute the Watcher gets involved in the Avengers’ fray with the Gatherers! Proctor appears in Manhattan, and the Avengers flies into their final confrontation with Proctor and his Gatherers. He has Sersi and Ute the Watcher as prisoners within a vortex of energy, allowing him to alter this Earth with artifacts from other parallel worlds. The Black Knight clashes with Proctor, who has just recently been discovered to be Black Knight’s counterpart from another reality.…