This is an early preview of the upcoming Super Clash Bros. It's still unfinished and a bit glitchy, but it's very playable and fun with a group of friends.
Play in browser: https://www.newgrounds.com/portal/view/704036
Download: https://gamejolt.com/games/mario-v-sonic-dawn-of-clash/306833
More info and how to play is there on the game pages.
Some older videos of earlier builds:
Follow progress at http://JForceGames.com
Would love to hear any feedback!