To stop The Fearsome Five, Darkwing joins Morgana, Stegmutt, Neptunia, and Gizmoduck to form The Justice Ducks (despite the fact that not all of them are ducks).
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[while the Justice Ducks are fighting the Fearsome Five, Stegmutt grabs Bushroot by the neck, then stops
Gee, I've never fought a supervillain before. What do I do?
It's easy, Stegmutt!
[repeating Bushroot's earlier advice
Let's pretend Mr. Bushroot is on fire!
Dr. Reginald Bushroot
[Stegmutt slams him repeatedly to the ground
Put out the bushroot, put out the bushroot...