March has a bunch of releases all over the world, from Japan, to the USA, and the UK. So, let’s start where it all comes from, Japan.
On March 4th, Shaman King Kang Zeng Bang ( シャーマンキング 完全版 ) volumes 25 and 26 will be released. Each volume will sell for 932yen (plus tax). Volume 25 contains reprints of chapters 267-277, Visionz 4, and Funbari No Uta 4. Chapters 269-277 were originally chapters 267-275 printed in Volume 31. Chapters 278-279 were originally chapters 276-277 printed in Volume 32. The ISBN is 978-4-08-874227-4 and contains 260 pages.
Volume 26 contains chapter 280-286 was originally Chapters 278-284, from Volume 32. Chapter 287 was originally chapter 285, only released in Volume 32, however, this chapter for the Kang Zeng Bang has been rewritten and the original should be discarded as an alternate story. Finally, chapters 287-291 are new chapters only printed in this KZB release. A preview for chapter 288 was released online for free on Feb 28th, 2009 which can be found here. The ISBN is 978-4-08-874228-1 and contains 248 pages.
The final Shaman King Kang Zeng Bang volume, 27, will be released on April 4th and contain all new chapters and the final conclusion to the Shaman King manga.
Also in Japan, Ultimo chapter 2 will be released Jump SQ on March 4th as well.
On March 2nd, Shaman King volume 20 will be released in the UK in Enlgish. This is the same release as Viz’s English USA release. Volume 21 will be released May 5th and volume 22 on July 6th in the UK.
On the following day, March 3rd, Shaman King volume 21 will be released in English in the United States by Viz. Volume 22 wil be released on May 5th, volume 23 on July 7th, and volume 24 on September 1st.