Does the group work in the same area and does this area lend itself to unique or unusual decorating ideas? Sometimes the work area may remind you of something that allows you to create a theme around it. Example: our workspace had walkways that meandered around reminding someone of the Candyland board game. The workers then put brightly colored squares on the floor and each dressed as Candyland characters.
If a couple dozen Marvel films weren't enough for you, we have good news. There isn't a better place to look when you need to find a group of 5 Halloween costumes that will scratch your superpowered itch. All you need to decide is which Avengers character everyone will be! Remember, whosoever is worthy gets to become Thor. And if you can't decide who gets to dress as Iron Man, you can take comfort in the fact that Stark has a lot of different suits to pick!