According to F4WOnline.com, the following are the current rumored team member line-ups for the Laurinaitis vs Long WrestleMania 28 12 man tag team match:
Team Long:
Santino Marella (confirmed)
R-Truth
Kofi Kingston
Rey Mysterio
Sin Cara
Other names being considered are Brodus Clay, The Great Khali, Evan Bourne, or Ezekiel Jackson.