I'm reminded of Wild Thing from the MC2 Universe whose father is Wolverine and, although she projects a psychic bladed weapon from the back of her hand just like Psylocke, her mother is Elektra... Wha...?

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Two things:

First, there is a long standing "tradition" in comics that like MUST attract like. Thus, since Wanda is a gypsy and Kurt is a gypsy, well, they simply MUST know each other, right?

Second, almost as long standing has been the sloppy use of mutation. Basically, this is a catch-all word under which writers can store anything they want. There does not have to be any kind of internal logic to it.

"Secondary mutation", a recent addition, is even worse!!

Ah, gypsies! I had not considered that! Of course, they would have met at one of the meetings...

Bouncing around on the internet and checking such resources as Marvel's handbook on Alternate Universes from 2005, it would seem that any and every appearance of a "future" world in Marvel is, by 2005 definitions at any rate, considered to have taken place on a parallel world. Therefore, every science fiction strip from Marvel's Golden Age that involves space travel and battling aliens in the future takes place in a now-conveniently numbered and indexed parallel reality. This interpretation gives us parallel worlds that go all the way back to the 1930's.

It also means that any time a villain or character comes from the future, he or she also comes from a parallel world. As such, early Marvel villains Rama-Tut and Zarrko hail from parallel realities, as do such later characters as the Guardians of the Galaxy, Deathlok, the Magus, and so on.

The early 70's also debuted such parallel world residents as Thundra and the aforementioned Earth-A Ben Grimm and Reed Richards. (To say nothing of the Earth-A Johnny Storm, a.k.a. Gaard, the Cosmic Hockey Goalie!)

Counter-Earth, first shown in 1972, exists within the same reality as the rest of the Marvel characters, yet serves the same narrative purposes as a parallel world, with counterparts for established heroes and villains playing out different lives due to various subtle differences in their histories...

Not Brand Ecch, which came out in 1967, is now said to take place on a parallel world or host of parallel worlds, as are the Spidey Super Stories, which originated in 1974.

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To borrow a line from Zaphod Beeblebrox, put your analyst on danger money, baby!

This is a wonderful commish!  I'm so envious of the patron, right now!  This needs coloring and to be mass produced, so I can get a poster of it!  WANT NOW!

Oh I forgot to say that JB's rendition of Storm's cape (Storm for the matter) is just as good, if not better than Cockrum's!  That's saying something because I think Cockcrum was one of the best costume designer in the biz!

This commission is for me and I love it.  It is amazing.  Back in the day my buddies and I would debate which team would win in a fight.  It was fun to talk about the different match-ups and the outcome of those battles.  Early on the consensus was that the Avengers would prevail but the further we read into Mr. Byrne’s run on the title the pendulum swung to the X-Men’s favor.  One thing we always agreed on, it was a battle we wanted to see.

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Glad you like it, Brian. The "who would win" question was in the forefront of my fevered brain as I worked out the battle scene. Obviously, I didn't want EITHER team to be clearly in the lead. Leave that still a mystery for fans to debate over!

(Tho the Avengers would win!!!)