No price announced yet
Max: The Curse of Brotherhood served as another great early exclusive in the Xbox One's lifecycle, but it's also heading to the 360 soon, Phil Spencer has confirmed. No price has been confirmed, but it'll arrive on the Xbox 360 on April 9th.
It appears as if there's nothing fundamentally different about this port, other than a slight visual downgrade -- but it really shouldn't matter much.
Phil Spencer [Twitter]