Superhero Birthday Party Invitation Templates 2016-08-02 | Lei Pick out the best superhero birthday party invitation templates from our wide variety of printable templates you can freely customize to match any party theme. Also read: Graduation Announcement Invitation Templates Related posts:Blank Thanksgiving InvitationsFrozen 6th Birthday InvitationsMermaid Baby Shower Personalized InvitationsMinnie 1st Birthday Custom InvitationBaby Boy Sprinkle InvitationsHomemade Slumber Party Invitations