Originally Posted by Orbsalot
The buttons to pull off the move are:
Pressing B stuns them, and the double A launches you in to the air. The key is to press the direction and X buttons after tapping A A, but BEFORE you actually start the leaping animation.
Trying to press it once Batman is in the air is too late.
Hope this helps
I've already got 2/3 of this challenge, apparently I got the first two when I was button smashing my way out of fights and for the life of me I can't come up with the combination to pull of that move for a third time.
Anyway, thanks for the tip, will try this tomorrow.