You can always cancel into ground bounce and then do some basic juggles if you'd rather not cause the transition, and if you're pulling off a 100% on their first health bar I suspect you'll want to stay in the plaza.
Depending on your spacing and timing after the interactable trigger, you can guardstun them with 2, 2 1, D+1, or Toasty Poke.
Note that they have no reversal window and the guardstun occurs before they get full character control back.
Recorded June 2014
Injustice Ultimate Edition
Steam
Hitbox controller
AI set to autoguard and roll
Reversal and wakeup attacks set to Cat Dash
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