Watch WWE St. Valentine's Day Massacre: In Your House (1999) : Full Movie Online Free There’s no love lost between Superstars at WWE St. Valentine’s Day Massacre. The Rock challenges Mankind for the WWE Championship. Stone Cold Steve Austin battles Mr. McMahon in a Steel Cage Match. D-Lo Brown & Mark Henry challenge for the WWE World Tag Team Championship. Plus, Ken Shamrock faces Val Venis and more!