They fought, and it was a bloody battle, but Thanos was mighty, and eventually took control of the gauntlet which housed the Stones.
As he shaped to snap his fingers, Thanos smiled, and slowly declared:
“I – am – inevitable.”
Nothing happened.
With a look of surprise and fear on his face, Thanos watched as the man in the red suit lifted his right hand, revealing the real Infinity Stones.
“And we – “, said the man in the red suit, “are…
… the Spanish Inquisition.”
And nobody, not even Thanos, expects the Spanish Inquisition.