Frozen Underwear

I've been known to repeat the old adage "Use it up, wear it out, make it do, or do without!" In fact it's almost our family motto. But when it comes to Super Hero unders it does NOT apply. With my five-pack of little boys all sharing clothes, I have to fold laundry with a pair of scissors close by.
I think I feel some Frozen coming on. "Let it go, Let it GO!"
I'm seriously considering an Alibaba account just so I can buy bulk underwear!