John Barrowman upped to series regular across all CW superhero shows  

Malcolm Merlyn is going to be very busy this year.

, has signed a new deal as a series regular across all of Greg Berlanti’s superhero shows on The CW, EW has confirmed. As first reported by TVLine.com, the deal leaves the door open for Barrowman to appear on any of the CW’s DC shows, including 

The deal comes on the heels of Wentworth Miller inking a new contract to appear as a series regular on both

, where his character Captain Cold was just killed off.

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