[1][2][3] Secret Weapon is available in three different versions: On November 7, 2006, it was announced the group had re-signed with Tooth & Nail Records.

[7] The album received much online publicity before its release, much due to MxPx's return to Tooth and Nail Records.

[8] Secret Weapon was made available for streaming on July 10,[9] before being released a week later through Tooth & Nail Records.

[6] The group performed a week's worth of shows on the 2007 edition of Warped Tour between late July and early August.

[19] In September and October 2008, the band went on a co-headlining US tour with Lagwagon; they were supported by Only Crime and TAT.