Guardian of the Jungle
From SmashWiki, the Super Smash Bros. wiki
Guardian of the Jungle (known as The Jungle Guardian in PAL versions of the game) is a single-player event match in Super Smash Bros. for Wii U. In it, the player controls Donkey Kong, helped by 2 Diddy Kongs, and must defeat 3 Duck Hunts in a stock match. The player has 2 stocks while the CPU characters have 1. The player will lose if the two Diddy Kongs are KO'd.
Completing the event within 60 seconds awards a Hi-Jump Banana equipment.