It should be noted that WorkCover do not pay the Employer the cost of Super in the first 12 months - only the cost of the wage.
The WorkCover insurer (the insurer) is not obligated to pay you superannuation for the first 52 weeks you remain off work due to a workplace injury or illness. However, if you remain unable to return to work for more than 52 weeks, the insurer will then be obligated to pay your super contributions from this point.