Aquaman Vs Thanos (In a tub)
Aquaman at his most powerful, with his magic hand at it's most powerful CIS/PIS inducing momment.
VS.
Current Thanos (no death curse, no prep)
Takes place in a 5x5 bathtub, it is sealed by power beyond both of them, so they cannot leave, or go out of the bathtub at any time. The Tub is filled with 800 year aged cheese.