supplant

\suh-PLANT\, transitive verb:
1. To take the place of (another), especially through intrigue or underhanded tactics; as, a rival supplants another.
2. To take the place of and serve as a substitute for.

Someone supplanted this Sweet 'n' Low with Equal! Clearly the work of the Russians.
I'm about to supplant my foot up yo' ass! (Incorrect usage)
The day Wario supplanted Mario, even the goombas shed a tear.