Default characters:
Mario: Mario is seen surrounded by Piranha Plants, one of which steals Mario's hat and knocks him out cold.
Luigi: Luigi is seen surrounded by Greenies, who each start barraging Luigi with punches and frying pan slams.
Donkey Kong: DK is seen slamming his fists on the ground before getting knocked on his head by a Dark Arrow, turning him into a trophy.
Link: Link throw his sword down on the ground, hitting a Deku Baba, which retaliates by spitting nuts at Link which he can't deflect
Samus/ZSS: Samus/ZSS is seen attempting to battle Ridley, who snatches her up in his claw and breathes fire in her face.
Yoshi: Yoshi sighs and rolls around in a egg before crashing into the camera.
Kirby: Kirby tries to run away from a mine cart before tripping and getting squished like a pancake.
Fox: Fox's Arwing crashes into a gigantic mountain, forcing Fox to eject and black out.
Pikachu: Pikachu tries to summon electricity, but ends up getting dropped into a fissure instead.
Jigglypuff: Jigglypuff sings a lullaby, and for the first time in forever runs out of breath halfway through, falling into the water.
Captain Falcon: C. Falcon does a Falcon Punch on a Shadow Bug doppelgänger of himself, and the clone retaliates right back with the same move.
Ness: Ness is shown in an empty plain, his grip on his baseball bat firm. A faraway voice shouts, "Batter up!", and suddenly a barrage of baseballs appeared and pelts Ness all around, knocking him out in the process.
Unlockable characters:
Ice Climbers: Nana and Popo swing their hammers around tirelessly before accidentally hitting each other with a Blizzard attack. (No, this is not Pokémon.)
Pit: Pit is shown soaring through the sky, via the power of flight, when suddenly it runs out, forcing the angel to fall to his doom and into a freezing lake. Once Pit surfaces again, he is encased in a block of ice.
Lucas*: Lucas appears to be waving his stick around aimlessly before becoming dizzy and dropping it.
Dark Pit: Dark Pit is seen in a forest, surrounded by Ornes. After several attempts to shoot them off with arrows from his bow, he can't get rid of them, and they end up knocking Dark Pit against the tree.
Downloadable characters:
Dr. Mario: Same as Mario.
Rosalina: Same as in the original game.
Corrin*: Corrin is seen diving underwater in dragon form when he/she suddenly reverts to his/her human form, almost drowning and getting cut on a rock.
A/N: Sorry, Corrin and Lucas should be switched around. Corrin is unlockable, and Lucas is downloadable.