The following are known Game Genie Codes for Marvel Super Heroes in War of the Gems on Super Nintendo (SNES).

• Infinite Health
  B9D9-74D4
  Note: This code makes it look like you have low health but it will not decrease.
• Almost Invincible (Spikes On The Ground And Enemy Grabs Still Hurt You)
  E916-740D
  Note: If you use this code with the code before it, you are pretty much invulnerable to everything.
• Infinite Air
  E15A-5F66
• Always Have A Gem
  B354-E4D8