Mario Combat Deluxe is the sequel for mario combat. There is no Mario Combat 2 so if you are looking for Mario Combat 2, deluxe is practically the second edition. The game comes with changed graphics keeping the same game play almost intact.
Left/Right arrow keys to move. Down can be used in Combos.
A arrow key to jump
S to attack.
Press jump again when jumping onto a wall to do a super wall jump.
Boost up your score by getting massive combos. Down + Attack to slide and kick on the ground, Jump and them press Attack to kick in the air.