Tom Welling on possibly playing Superman on Supergirl

The Arrowverse is back, and this year, it brings with it the biggest crossover event yet for the DCTV universe. ‘Crisis On Earth X’ is going to bring together all four shows (Arrow, The Flash, Supergirl and Legends of Tomorrow) for a ‘four hour movie’ style event, where each episode connects completely to the others. This is an expansion of the usual crossover style for the CW’s comic universe, where heroes from each show make an appearance in each other’s episodes.

The crossover also promises plenty of opportunities for the Arrowverse to include a few new dopplegangers – or even entirely new versions of ...

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