Been working on SuperMans cross up game today (Havent got to play any one yet so if someone can confirm this)..
After ANY low scoop, if they roll you can get a completely ambiguous cross up attack. You do this by walking forward slightly or VERY slightly, lol. Jump up-air dash-JIP3. The amount you walk is so tiny you I dont think the opponent will be able to tell what side you're going to attack on. Let me also add, after the Low Scoop you can dash under then jump up to air dash as well. Dont know how viable that alternative tactic is, but its there.