SmartAnswer

Smart answer:

After reading 1530 websites, we found 3 different results for "What is the year of release of Green Lantern"

2011

Released in the summer of 2011 during the latter stages of the first “phase” of Marvel’s cinematic universe, Green Lantern was DC Comic’s first attempt to release a mainstream live-action movie based on one of the Myths's major characters outside of the Batman and Superman mythologies.

Source links:

ShareAnswer
source
source
source
+77
source
source
+78

Confidence Score

in July 1940

Green Lantern first appeared in July 1940 in All-American Comics No. 16 by artist Gil Kane.

Source links:

ShareAnswer
source
source
source
+2
source
source
+3

Confidence Score

in 1940

Created by artist Martin Nodell with legendary 'Batman' writer Bill Finger, the original Green Lantern debuted in 1940 wielding a magical ring by night and working as a radio reporter (and later mogul) by day.

Source links:

ShareAnswer
source
source
source
+17
source
source
+18

Confidence Score