The South African born winger has scored three tries in five matches for the Warriors so far this season.
Former Hartpury college student Evans will be looking for game time for his nation, having been restricted to just one appearance for the Welsh region.
Chauncey O'Toole, who was on a short-term deal with the Warriors at the start of the season, has also been included in the squad.
The Canucks begin their European tour against Belgium on November 6 before fixtures against Spain, Georgia and Portugal.
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