Thanos runs the Gauntlet
1. Superman
2. Superman, Maxima, Orion
3. Doomsday (Current)
4. Current Darkseid
5. Sodam Yat Ion
6. Superboy Prime
7. Pre-Crisis Darkseid
8. Odin (no spear)
1 week between each fight, and he knows who he's going up against the next week, and their weaknesses, but doesn't get any tech. He also chooses the battlefield in each seperate fight. His opponents don't know who they are fighting until the last minute, and have no prior knowledge of him or how powerful he is.