3 Realistic ways The Shield could get revenge. 

#2. Demanding fair matches.

The Shield could have cracking matches with many superstars

While this is a more pedestrian alternative, it could be more realistic. WWE has a habit of turning a logical storyline into an overbooked mess. It could easily turn into a returning Angle putting individual members of the Shield into separate matches or tag team matches.

While they could easily tear down the house with the right opponents, it will ruin the momentum of the feud. Let's hope logic prevails and we get an exciting alternative.