#1. Give his opinion on Edge vs Randy Orton at Backlash
Over the past few weeks, many stars have been drafted in to give their opinions on the upcoming match between The Viper and The Rated R Superstar. Shawn Michaels and Ric Flair are the most notable names who have added their opinions recently, and Christian's return could see him give his opinion along the same lines.
Using The Peep Show as a platform to give his opinion on the match might not seem like the most exciting thing for Christian to do, but there is a big enough back story here for it to work quite well.
There isn't a star in WWE who knows Edge better than Christian. However, Christian also knows all about stepping into the ring with Randy Orton. His unique past with both men makes Christian an ideal choice to try to pick the bones out of this match.
Some may think it's a given that Christian will choose Edge as the man that he thinks will pick up the victory, but if there is a bit of a swerve where "Captain Charisma" states that he thinks Orton could win, then it could be a tease of things to come later.
Maybe Christian could make his return down the line and WWE might be planting some seeds to use in the future.