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I tend to hate it when iconic characters hook up. One of the very worst examples was Storm and Black Panther, who had an established non-romantic relationship dating back to the Bronze Age. Suddenly, Reggie Hudlin gets a wild hair, and we're getting deep retcon mini-series turning them into childhood loves so that he can marry them off for a sales bump. Yeah, they're the most visible and prestigious super-heroic Africans of their respective genders, but they otherwise had nothing in common. Storm is a core member of the X-Men, and despite lip service to the contrary, non-mutants really have no place within that militant civil rights group. Black Panther is mostly a soloist who sometimes works alongside the Avengers, which has hosted its share of mutants, just so long as they don't go shooting their mouth off about any homo superior business. Storm's no shrinking violet, and she tends to be in a leadership role, which could make for nice tension if T'Challa wasn't her chief competition.
An interesting compromise was having the couple replace Reed & Sue in the Fantastic Four, but that was doomed from jump amidst the most whitebread conservative family-oriented team in comics. So Ororo becomes an appendage and pseudo-teammate in Panther's book for a while, goes back to the X-Men, and King T'Challa unilaterally retroactively annuls their marriage. As always happens, either one icon eclipses the other, or the whole thing goes down in flames, and everyone comes out looking terrible.