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An eagle-eyed reader can find Box in Uncanny X-Men #534.1 as well. Don't blink though; he's in a promo piece at the very end.

Love,
rplass

You can see him in the background in this image as a member of the de facto X-Men Team:

Preview

Doesn't look like Ms. Marvel's having a good day, dunno what's going on from the art alone.
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