It started when the mother of a hearing-impaired boy assured her son, yes, superheros DO wear hearing-aids. It became an inspiration...and a poster...and more.
http://www.hlntv.com/video/2013/03/05/blue-ear-marvel-comics?hpt=hp_t2 (http://www.hlntv.com/video/2013/03/05/blue-ear-marvel-comics?hpt=hp_t2)