Today in Comics History, October 12, 2014: Secret Agent Lex Luthor is equipped with picture-in-picture vision

from Grayson #9 (DC, August 2015); co-plot by Tim Seeley, co-plot and script by Tom King, pencils and inks by Mikel Janín, colors by Jeromy Cox, letters by Carlos M. Mangual
(Click picture to it's hard to draw a train without making the panel extra-wide-size)