CDJapan has listed up the 3rd original soundtrack for the Inazuma Eleven anime series, to be released May 25, 2011:
Inazuma Eleven Song Collection – Cho Jigen Theme Song Shu! 2 + Nekketsu Soundtrack Dai 3 Kan – [CD+DVD]
This release will also cover the songs that were not released in the Song Collection Volume 1 (limited edition) (regular edition)
Other upcoming releases:
TV Animation Inazuma Eleven Memories Book – April 18 release – Details here
Inazuma Character Song Original Album – April 6 release – English tracklisting here