His announcement of his next two contests comes in the week rival Anthony Joshua - who holds the division's other three titles - makes his debut in America against Andy Ruiz Jr in NY on Saturday.
Ruiz absolutely bullied Joshua throughout the fight and out-landed the British star, out-landing Joshua 56-47 in total punches.
The British fighter was knocked down twice in the third round before being so twice more in the seventh.
Shelly Finkel, Wilder's co-manager, also confirmed the rematch, telling ESPN's Steve Kim, "I believed it was going to happen".
"I said I want to meet Wilder, chat to him and the next day he announces a fight with no date or venue attached to it". He was defending his slices of the heavyweight title - Wilder has the other one - and although he gave away more than 20 pounds to the 5-11 Ruiz, enjoyed massive advantages in height, reach and athletic ability.
Meanwhile, Anthony Joshua is unbeaten as a pro in 22 fights winning 21 by KO while Andy Ruiz has lost just one of 32 fights forcing 21 knockouts.
Anthony Joshua came to Madison Square Garden to win over U.S boxing fans they way he had mesmerized the entire United Kingdom.
Promotor Eddie Hearn told the BBC that Joshua "got sloppy" and that the result was one of heavyweight boxing's great shocks.
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Any portion of the title would mean the world to Ruiz.
Ruiz had not been given much chance of beating the champion given he had just five full weeks to prepare after Joshua's scheduled opponent, Jarrell Miller, tested positive performance-enhancing drugs.
Joshua tipped the scales at 17 stones and nine pounds, while Ruiz was a heavy 19st 2lb. Joshua was saved by the bell.
"The speed got him", said Ruiz. Ruiz, however, got up fired back furiously dropping Joshua twice.
It was Joshua who actually scored the first knockdown in the third round and looked as if he was on the verge of finishing the job.
Joshua's decision to even fight in NY seemed like a victory in itself.
Joshua, who won a gold medal at the 2012 Olympics, was coming off a nine-month layoff since knocking out Alexander Povetkin in September. Time was 1:27. Andy Ruiz is the new heavyweight champion! Ouch. Oh well, we can do The Fight Of The Century early next year.
Boxing fans around the world were stunned by what they saw from Ruiz Jr on Sunday afternoon. "Luis Ortiz is first then Tyson Fury Next", Wilder wrote on Twitter. His whole career was consisted of lies, contradictions and gifts.