The upcoming Batman: The Brave and the Bold will be doing something too few games have done so far this hardware generation: feature cross-play compatibility between the Nintendo Wii and Nintendo DS.
https://lastchance.cc/in-his-next-game-batman-is-a-cartoon-character-5604565%3C/a%3E%3C/p%3E
Why are we over five years into the life of the DS, and nearly four years into the life of the Wii, and so few games have tried this? I want my Wii/DS version of Four Swords, dammit!