Mega Man 3 Boss Order
OrderBossWeakness
1Top ManHard Knuckle
2Shadow ManTop Spin
3Spark ManShadow Blade
4Magnet ManSpark Shock
5Hard ManMagnet Missiles
6Snake ManNeedle Cannon
7Gemini ManSearch Snake
8Needle ManGemini Laser



Doc Robot
LevelBossWeaknesses
Spark Man 1stMetal ManMagnet Missile and Hard Knuckle
Spark Man 2ndQuick ManGemini Laser and Search Snake
Needle Man 1stAir ManMagnet Missile and Spark Shock
Needle Man 2ndCrash ManHard Knuckle and Top Spin
Gemini Man 1stFlash ManNeedle Cannon and Gemini Laser
Gemini Man 2ndBubble ManSpark Shock and Shadow Blade
Shadow Man 1stWood ManNeedle Cannon and Search Snake
Shadow Man 2ndHeat ManShadow Blade and Top Spin