MIGHTY THOR (1989) #484

Thor and Sif go to New York to prepare the way for High Evolutionary and Wundagore, when they are attacked by War Machine possessed by Loki; Blitziana is accidentally hit by one of High Evolutionarys rays and remembers a fragment from her past; She had some relationship with Billy, and when he was killed by Bristle, she went crazy with grief; War Machine begins to fight back against Loki, and finally drives him out.