Powell got his debut for Wigan against Hull F.C. during August, scoring a try in the 48-10 victory. He started at scrum-half after Brett Finch suffered a hamstring injury.
Powell was handed the number 19 shirt for the new season and made 22 appearances scoring against Bradford Bulls, Salford Red Devils and Hull FC. Half way through the season coach Shaun Wane decided to experiment with the halfback pairing, moving George Williams from hooker to stand off, with Powell starting at dummy half. This would become a permanent switch after Williams impressed in the halves. He was part of the team that lost the 2014 Super League Grand Final to St. Helens at Old Trafford in a game famous for a Ben Flowerred card.
2015
The new Super League season play 23 times for the Wigan club with more appearances coming from the bench showing a positional change from halfback to hooker. His only try of the season came against Hull F.C. in late July. He made his second appearance at Old Trafford losing out to the Leeds Rhinos in a tense 2015 Super League Grand Final.
2016
Powell was handed the number 16 shirt for the new season, an early indication that he would be playing mainly from the bench replacing Michael McIlorum at hooker. This however was not to be the case after McIlorum suffered a fractured and dislocated ankle against the Brisbane Broncos in just the third game of the season. Despite initial speculation that Wigan would have to bring in a replacement Powell made the role his own playing 36 times playing on many occasions 80 minutes per game. Tries again St. Helens, Castleford Tigers, Wakefield Trinity and Hull F.C. ensured it was his most successful season in both appearances and scores. He won the Super League Grand Final on the third time of asking in a tense affair which saw the Wigan Warriors beat the Warrington Wolves 12-6 at Old Trafford.
2017
With McIlorum still out injured, Powell started the season at hooker and played his 100th game for the Wigan club in the 22-6 World Club Challenge victory over the Cronulla-Sutherland Sharks. McIlorum returned in the Good Friday derby against St. Helens but Powell kept his place in the team making 31 appearances in all competitions scoring twice and kicking 6 goals. He played in the 2017 Challenge Cup Final defeat by Hull F.C. at Wembley Stadium.
2018
The departure of McIlorum meant that Thomas Leuluai was handed the number 9 shirt with Powell moving to the number 7. He played in the 2018 Super League Grand Final victory over the Warrington Wolves at Old Trafford.
