Super Mario Bros. Wii: World 4 Cannon Myth and Power-Up Alternatives

There is no cannon to unlock in World 4 of New Super Mario Bros. Wii. Each world has unique power-ups, but World 4 (Jungle) does not feature a cannon mechanic.

Power-Ups That Provide "Launch" Effects in World 4

• Starman (Invincibility): Turns Mario into a spinning, invincible projectile that defeats enemies on contact—functionally a "cannonball."
• Boo Mushroom: Turns Mario into a Boo. You can float, pass through walls, and possess enemies to move them or launch them off ledges.
• Yoshi: Swallow enemies → spit them out as projectiles. Flutter jump extends air time.
• Propeller Mushroom: (If available in your version/region) High vertical launch + slow descent.
• Penguin Suit: Ice balls freeze enemies (create platforms/projectiles); belly slide on ice.

Could You Be Thinking Of...?

• World 1-3 / World 4-1 (Secret Exit): Some levels have secret exits (red flag) unlocking new paths/cannons on the World Map (e.g., World 1 cannon to World 4). Check a walkthrough for World 4's secret exits.
• Super Mario World (SNES): Has Star Road cannons/warps.
• Super Mario 3D World: Clear Pipe Cannons.

If you describe the specific level or visual (e.g., "red pipe shooting me across map"), I can pinpoint the exact secret exit or mechanic you're recalling!