These movies aren't the same without Viktor and Lucian.
Rewatching the first three and just, Michael Sheen and Bill Nighy brought such a depth to the films and the history of this war, and it doesn't feel the same with them gone. Same with Marcus, who, while not the best written character, was very well acted by Tony Curran.
"IMDB: Where Intelligent Film Discussion Goes To Die" - Scott 'The Foywonder' Foy; Dreadcentral.com