Need a reason to pick up Dark Horse Comics’ 2016 Free Comic Book Day offering? Here’s three: From Mike Mignola and Richard Corben, a lesson from Hellboy’s past is shared. From Brian Wood, a peek into the Aliens: Defiance series with an original tale. And from the world of Joss Whedon, a glimpse at the crew of the Serenity, following the film and the smash-hit series Leaves on the Wind.