Justice League #51
In "First Impressions," the Justice League faces a new kind of threat when giant mechanical dogs attack Metropolis, forcing them to team up with Superman and an unexpected ally—Batman’s associate Robin. Written by Dan Abnett and illustrated by Paul Pelletier, with colors by Adriano Lucas and letters by Carlos M. Mangual, this 2016 issue introduces a mysterious ripple in space-time that draws in visitors from other eras. The cover by Paul Pelletier and Tony Kordos captures the moment of arrival, hinting at deeper connections as Cyborg and Green Lantern use Robin’s insight to trace the anomalies—before an unseen observer takes note of the young hero.
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Six months after their first fight against Darkseid, the Justice League is introduced to Batman's associate Robin during a crisis. Amid a flurry of unusual occurrences, the League joins Superman in fighting giant mechanical dogs in Metropolis and is surprised by two more unexpected arrivals. Robin gives Cyborg and Green Lantern the suggestion that allows them to trace the visitors' journeys through cracks in space-time caused by shutting down Darkseid. Cyborg and Green Lantern send all home to their correct time and place and seal the cracks, while an observer takes special interest in Robin.
Plot details indexed by the Grand Comics Database (CC BY-SA).