England needs a single point to qualify for next summer's tournament with the final to be held at Wembley Stadium.
A point at Wembley against Montenegro in the 1,000th global match for the men's team would be enough to guarantee qualification.
Leicester City playmaker Maddison was called up by Gareth Southgate in October but withdrew from the squad due to illness, and there was then some controversy when he was pictured in a casino during England's 2-1 defeat to the Czech Republic in Prague.
Southgate said Kyle Walker's global career was not over despite omitting the Manchester City defender for a third successive squad, with Kieran Trippier and Trent Alexander-Arnold the preferred options at right-back.
"Everyone has a camera phone and has a chance to make some money".
The Chelsea centre-back was selected for October's worldwide break but could not force his way into team to make his England debut. I'll be able to answer that question (how impressed Southgate has been) better after Sunday.
Asked whether Manchester City full-back Walker's England career was over after amassing 48 caps, Southgate replied: "Absolutely not".
Tottenham's Dele Alli is the most notable absentee, omitted from Southgate's 27-man list despite featuring prominently for Mauricio Pochettino's outfit in recent weeks.
Winger Hudson-Odoi was named in the Under-21 squad rather than the senior set-up last month after recovering from injury, and scored twice on his first start for the Young Lions.
Stamford Bridge teammate Mason Mount is also included despite coming off in Tuesday's 4-4 Champions League draw against Ajax with an ankle problem.