Mario is the main antagonist of the SNES title Super Toad World. Mario has been brainwashed by Bowser after he has been knocked out to save the princess. Mario then kidnaps Peach and runs away with her. Toad and Toadette found out about Mario kidnapping Peach, so they ran off to save Peach. Mario then turned Goombas to Luigis and Koopas to Yoshis. After the fungus duo defeated Mario, Mario turned back to normal.
Mario looks like he is in invincible mode, but he's not.