Wow at what happened in this topic. How did the title change? Anyway I'd like to list more reasons why I think Nintendo should be the ones to get Capcom.
1. Many of capcom's franchises that they have neglected would be revived. This includes megaman, breath of fire, resident evil, bionic commando. Plus the IPs that were created by platinum games would also be revived. Like viewtiful joe, okami, devil may cry, godhand. Since platinum games works close with nintendo now.
2. Nintendo and capcom have had a good relationship that goes all the way back to the 80s. megaman, street fighter, bionic commando, ghosts and goblins, they all debuted on nintendo systems. Plus we got the best resident evil games when they were gamecube exclusive (RE1 remake, RE0, RE4). Capcom also made the best 2D zelda games.
3. Perhaps most importantly, Nintendo knows that they are not getting third party support. This is the problem with Wii U. This is why we have these long game droughts in between new releases. Acquiring capcom would be a major help with that. Because they wouldn't just be getting capcom's IPs. They would get their development teams as well. Nintendo said that they wanted to expand. And this is the best way to do so. Who wouldn't want to buy a system that was the exclusive home to both nintendo and capcom franchises? I sure would.
4. To people saying that microsoft, EA, activision, could buy capcom and thus ruin them. Stop worrying. There is a law in japan that prohibits an american company from buying a japanese one. This is why microsoft could not buy atlus, despite having more money then sega.
5. To people saying that nintendo flat wouldn't buy capcom. Why do you thing that? Is it because they didn't buy atlus? Read the above link I posted. Nintendo has explicitly said that they are looking towards mergers and acquisitions. Capcom would be the best acquisition they could ever make. Plus consider the alternative. If they loss capcom to someone like sony, or a third party who hated them, that would be the end of ace attorney, and monster hunter exclusivity. Megaman would be pulled out of smash bros, plus we'd never see another megaman game. In short, it'd be terrible. Nintendo wouldn't let that happen when they aren't getting exclusives from anyone else.
6. Nintendo needs some extra manpower and exclusives. In other words, they need to expand. Gaining the capcom development teams as well as their IPs would be a huge boost for them. And would fill in what nintendo is currently missing.
7. To people saying that Nintendo would kiddify capcom's mature IPs. Consider this. Bayonetta 2 and devil's third. Nintendo knows that they need mature franchises so adults will buy their system. They won't down tone resident evil or devil may cry.
8. To people saying that nintendo would ruin street fighter because of their online infrastructure. Go play mario kart 8 online. It's pretty much flawless. If you're worried about the controller gimmicks, use the pro or gamecube controller instead.
9. Finally, Sony wouldn't really be hurt too much by this. Remember, nintendo would still not be getting support from other third parties. This includes Konami, square-enix, EA, rockstar, bethesda, bungie, insomniac, activision, and so on. All of these developers will still flock to Sony to put their games on their system. So there wouldn't be a shortage of games for PS4 by any means. It would balance out.
10. In closing, this just flat out needs to happen. I can't see anything bad coming from this. It would help nintendo and it would help capcom. Plus Nintendo is the only company I trust enough to fully revive Capcom into the fantastic company they used to be.