Cânon da TV.
Não. Após esse episódio, a única menção ao Unimatrix Zero está na linha do tempo alternativa vista no início do episódio " Voy: Endgame ". Há uma menção fugaz da Resistência Borg, mas nenhuma menção a Axum.
EU Canon.
Sim. No romance " Star Trek Voyager: Atos de Contrição " , Seven-of-Nine (AKA Annika Hansen) se encontra com Axum em uma instalação médica da Frota Estelar.
“Hello, Annika.”
Seven turned from the view she had been studying: a large, furnished patio teeming with botanical life accessible to several other adjoining quarters.
Standing before her, at long last in the flesh, was a man she had only ever known in dreams.
“Axum,” she said softly.
...
Seven did not bother taking his hands in hers. She simply opened her arms as he half fell into her. Her strength held both of them upright as his gentle embrace became more intent. It might have been hours that they stood like that before they finally parted to look again into each other’s eyes.
“Where are we?” Seven asked, to break the tension.
Axum stood on his own feet, but he still held Seven by both arms. “I live here now,” he replied.
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