Superhero Birthday for Kids - My Insanity
Simply Sarah Style | Super Hero Party
Printable Superman birthday banner for a super hero birthday party (also great as an iron-on t-shirt graphic) || Simple and clever craft ideas, sewing patterns, templates and printables || Merriment Design
Personalized Superman Banner Superman Birthday by TheJoyfulHauss
Superman cake …
Learn how to throw a superhero party on a budget using our free printables and awesome party ideas.
Think I could manage this one too!
Batman VS Superman-Superhero by MyPrintableParty on Etsy
Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/181511367/superman-birthday-garland-high-chair
Matthew's 5! Batman Party: Decor for the Doors.