Not knowing the answer, I asked the Twitterverse for their thoughts:

@wpjenna Indy can’t be adjunct; he has an office with an assistantless than a minute ago via HootSuite Favorite Retweet ReplyFolsom Lake College
flcfalcons

@wpjenna I always assume Indiana Jones was on sabbatical...repeatedly.less than a minute ago via HootSuite Favorite Retweet ReplyJan Brooks
janbrooks1

@wpjenna Indiana Jones is definitely tenured since he can leave on a moments notice to save the world.less than a minute ago via web Favorite Retweet ReplyTom Bissonette
Bisscom

@wpjenna I’m sure he would be tenured and on a “special contract” - it’s usually to do curriculum & stuff, tho - not fight nazis.less than a minute ago via web Favorite Retweet ReplyJoseph Kaye
jhkayejr

Professor of the Practice RT @wpjenna: Help me answer this question “What category would Indiana Jones fall into? Adjunct?”less than a minute ago via TweetDeck Favorite Retweet ReplyU-Md. Clark School
ClarkSchool

What do you think? Tell me in the comments section or on Twitter, @wpjenna.