THE NEXUS EVENT. In Episode 4 of Marvel Studios’ Loki, unable to create a Nexus Event on Lamentis-1 and secure a safe departure, Loki and Sylvie share an intimate moment as they’re minutes away from the complete destruction.. Suddenly, two Time Doors open before them, and the two variants are apprehended and taken back to the Time Variance Authority (TVA).

https://www.marvel.com/articles/tv-shows/loki-episode-4-event-report-recap