Capcom has said via press release that the Mega Man Zero Collection which includes all four Mega Man Zero games from the GameBoy Advance will hit retail on June 8.
The Mega Man Zero Collection is to include both the original, 2, 3, and 4 all on one Nintendo DS cart.
You'll be able to make use of Mega Man Zero's trademark weapons like the Z-sabor and Buster Shot in the collection as well as devices such as the Chain Rod and Zero Knuckle as you battle your way through the games.
There's a load more information over on the official website if you're interested, which any Mega Man fan should be.