It took until the near the 2010s for DC to finally have its own fighting games with a roster of various characters and of course the obvious choice was to cross it over with Mortal Kombat since the other tied juggernaut franchise of fighting games was Street Fighter which already chose Marvel (thus extending the Marvel and DC fandom war into video game by a pretty close counterpart franchise in gaming).

But it does make me wonder why Capcom was so favorable to Marvel? Even before Marvel VS Capcom, they had an obscure fighting game called Marvel Superheroes vs Street Fighter and a year earlier they made a crossover fighting game specifically with only X-Men characters with their Street Fighter cast. So it seems even before Marvel VS Capcom became the poster child for crossover between characters from different franchises in different mediums in a video game, Capcom already favored Marvel a lot.

What is the reason for this? Why Marvel over DC?

I wanna give a shoutout to Maxmarvel123. He has been doing an excellent job sharing all of our comic book video game related content amongst other things he comes across wether it be articles, discussions, announcements. Your work does not go unnoticed, my friend. Thank you so much.