This isn't the same light dimension. Both the bangle and the dimension itself is based around two other Captain Marvels in Marvel comics lore. Kinda confusing, but yeah.

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It was named that bc of the comics name. However, we have talked and agreed that if Light Dimension isn’t specifically said then we’ll change it

And hear I thought Ms Marvel won’t have anything to do with the multiverse (ik dimensions are different but we got a lot already this phase, Loki, Dr Strange 2, Spider-Man 3, What if…, plus shows still to come)