This issue has variants.
Howard Bender confirmed his pencils and Pablo Marcos inks on the border artwork. Bender also confirmed the characters drawn in the border and back cover represented all the main characters that ever appeared in Adventure Comics (posted on his Facebook page, 21 June 2017).
Inside front cover.
Inside back cover. Comments about the Legion stories in the issue.
Back cover. Many tiny characters in illustration surrounding a box with promos for the stories in the issue. With the border of the front cover, features all the main characters that have appeared in Adventure Comics over the years.