By David Craven Jermaine McGillvary can’t wait to get started on an “adventure” that he believes will see Wakefield become a Super League powerhouse. The former England winger is preparing for life in the Championship after joining relegated Trinity for 2024. But under new millionaire owner Matt Ellis and coachDaryl Powell, he fully expects them to make an instant top-flight return – and finally start challenging for silverware. However, after a lifetime at hometown Huddersfield, where he scored 209 tries in 312 games, his first business is getting used to new surroundings. McGillvary, 35, adm…