The following is the list of Shaman King chapters that were released each month in Japan and which magazines they were originally published in. We also have pages for 2019 and 2020-2021.
December 2018
Shaman King: The Super Star
Chapter 11
Released: December 17, 2018
Magazine: Shonen Magazine Edge January 2019 issue (少年マガジンエッジ 2019年1月号)
Shaman King: Red Crimson
Chapter 6
Released: December 17, 2018
Magazine: Shonen Magazine Edge January 2019 issue (少年マガジンエッジ 2020年1月号)
November 2018
Shaman King: The Super Star
Chapter 10
Released: November 16, 2018
Magazine: Shonen Magazine Edge December 2018 issue (少年マガジンエッジ 2018年12月号)
Extra: Shaman King: The Super Star on the cover
Shaman King: Red Crimson
Chapter 5
Released: November 16, 2018
Magazine: Shonen Magazine Edge December 2018 issue (少年マガジンエッジ 2018年12月号)
October 2018
Shaman King: The Super Star
Chapter 9
Released: October 17, 2018
Magazine: Shonen Magazine Edge November 2018 issue (少年マガジンエッジ 2018年12月号)
Shaman King: Red Crimson
On Scheduled Break / Hiatus
September 2018
Shaman King: The Super Star
Chapter 8
Released: September 15, 2018
Magazine: Shonen Magazine Edge October 2018 issue (少年マガジンエッジ 2018年9月号)
Extra:Shaman King: The Super Star on the cover and card file
Shaman King: Red Crimson
Chapter 4
Released: September 15, 2018
Magazine: Shonen Magazine Edge October 2018 issue (少年マガジンエッジ 2018年10月号)
August 2018
Shaman King: The Super Star
Chapter 7
Released: August 17, 2018
Magazine: Shonen Magazine Edge September 2018 issue (少年マガジンエッジ 2018年9月号)
Extra: Shaman King: The Super Star on the cover and card file
Shaman King: Red Crimson
Chapter 3
Released: August 17, 2018
Magazine: Shonen Magazine Edge September 2018 issue (少年マガジンエッジ 2018年9月号)
July 2018
Shaman King: The Super Star
Chapter 5 & 6
Released: July 17, 2018
Magazine: Shonen Magazine Edge August 2018 issue (少年マガジンエッジ 2018年8月号)
Shaman King: Red Crimson
Chapter 2
Released: July 17, 2018
Magazine: Shonen Magazine Edge August 2018 issue (少年マガジンエッジ 2018年8月号)
June 2018
Shaman King: The Super Star
Chapter 3 & 4
Released: June 15, 2018
Magazine: Shonen Magazine Edge July 2018 issue (少年マガジンエッジ 2018年7月号)
Shaman King: Red Crimson
Chapter 1
Released: June 15, 2018
Magazine: Shonen Magazine Edge July 2018 issue (少年マガジンエッジ 2018年7月号)
Extra: Shaman King: Red Crimson on the cover
May 2018
Shaman King: The Super Star
Chapter 1 & 2
Released: May 17, 2018
Magazine: Shonen Magazine Edge June 2018 issue (少年マガジンエッジ 2018年6月号)
Extra: Shaman King on the cover
April 2018
Shaman King: The Super Star
Prologue
Released: April 17, 2018
Magazine: Shonen Magazine Edge May 2018 issue (少年マガジンエッジ 2018年5月号)
March 2018
Shaman King
Chapter 300
Released: March 17, 2018
Magazine: Shonen Magazine Edge April 2018 issue (少年マガジンエッジ 2018年4月号)
February 2018
Shaman King
Chapter 171
Released: February 17, 2018
Magazine: Shonen Magazine Edge March 2018 issue (少年マガジンエッジ 2018年3月号)
January 2018
Shaman King
Chapter 1
Released: January 17, 2018
Magazine: Shonen Magazine Edge February 2018 issue (少年マガジンエッジ 2018年2月号)
Extra: Shaman King on the cover