Here’s the schedule for the upcoming seasons of newcomers.
August 11, 2017: A Famous X-Men Character
August 24, 2017: A Character from Team Fortress 2
September 30, 2017: A Marvel Character
October 30, 2017: A Famous Character that made his return recently.
November 30, 2017: A character from Ghosts n Goblins

December 1st: Season 2 starts.
December 5, 2017: A Famous Fantastic 4 Character
December 25, 2017: A Famous Anime Character
January 1, 2018: A Character from JoJo’s Bizarre Adventure
January 31, 2018: A Famous Avengers Character
February 1, 2018: A Character from The Legend of Zelda
February 14, 2018: One of the Mega Man Variants

March 1, 2018: Season 3 Starts
March 5, 2018: A Major Marvel Villian
March 31, 2018: A Character from the King of Fighters.
April 1, 2018: A Character from Devil May Cry
April 7, 2018: A X-Men Character
May 5, 2018: A JoJo’s Bizarre Adventure Character
May 31, 2018: Rare Akuma’s Cousin (The Final Boss)