The newest Supergirl poster continues a network trend by adapting a classic cover from comic books, according to Variety.com. The poster, which features Superman holding an unconscious Supergirl in his arms, draws inspiration from the 1985-6 Superman mini-series “Crisis on Infinite Earths”.
Now That We Can Actually Say the Name…
While Supergirl is dead on the original cover, Melissa Benoist’s Kara is merely unconscious. The poster promotes “The Last Children of Krypton”, episode two in Supergirl‘s second season. According to Executive Producer Andrew Kreisberg, it also reveals a shot originally meant for season one.
However, the shot would have been more ominous considering the show didn’t have a Clark Kent at the time. Kreisberg describes the original plan: “When Superman rescues her from Reactron, we actually wrote in there that [the shot] was going to cut off his head so you could just see his body holding her in that classic pose”. The poster idea was renewed when Tyler Hoechlin joined the cast as Superman. Kreisberg explains that the script for “The Last Children of Krypton” “…actually says, ‘We’ll have a “Crisis on Infinite Earths” pose here’”. 
Supergirl’s poster is the second throwback from a CW show based on a DC property. When The Flash promoted Jay Garrick’s debut, the network used an image from 1961’s “Flash of Two Worlds” book. Both the “Flash of Two Worlds” and the “Crisis” images use comics lettering and an aging effect around the edges.
Based on DC comics properties, Supergirl stars Melissa Benoist (Kara Danvers/Supergirl), Tyler Hoechlin (Clark Kent/Superman), Chyler Leigh (Alex Danvers), Jeremy Jordan (Winn Schott), Mechad Brooks (Jimmy Olsen), and David Harewood (Hank Henshaw/J’onn J’onzz).
Supergirl airs Mondays at 8pm central on the CW.
