The bride-elect is the daughter of Jeffery and Nancy Nickerson of Earleville, Md.
Marissa is a graduate of Bohemia Manor High School in Earleville, Md., and received a Bachelor of Science in English Literature from University of the Cumberland in Kentucky.
The groom-to-be is the son of Craig and Amy Wheeler of Manila.
Blake is a graduate of Manila High School and received a Bachelor of Science in Business Administration from Mid-Continent University in Paducah, Ky. He is employed as an order filler supervisor at American Greetings Company in Osceola.
The couple will exchange vows at 4:30 p.m. Saturday, Sept. 17, at West View Shores in Earleville, Md. Invitations have been mailed.