The idea that all these characters could be in the same video game would have been inconceivable in the '90s, and yet here we are. Pac-Man, Mega Man, Mario and Sonic are all in the same game.
Kind of wild to think about, no? Then again, it's not like the characters are cooperating with one another. They're here to fight each other! But still, it's kind of weird
One more image, which comes from the recent Pac-Man Smash Bros. reveal at E3: