system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] Thanos's flagship is called the Sanctuary II. Was there ever a Sanctuary I?

If there was, what happened to it? If there wasn't, then why add the II?
gpt
That open "air" asteroid field with Thanos' chair where the Other hangs out and talks with Loki and Ronan is called Sanctuary.  Not much of a ship as far as we've seen but they've at least invested some nice stair lights into it.