Crisis On Infinite Earths: 36 Easter Eggs, Cameos And References You Probably Missed
7. Green Lantern
In another unexpected moment, Oliver's Crisis epilogue took us to Earth-12 and allowed us to see the Green Lantern Corps gathering on the planet Oa.
What you might not be aware of, however, is that this is actual footage from the 2011 Green Lantern film which starred Ryan Reynolds. While that film was panned, it did create some nice planetary visuals, so it's pretty cool that Crisis made full use of them.