* Client-Side Metrics Include
* Wiki: https://tiny.amazon.com/cpso0wg6
* Needs to be included at the top of pages because it tracks latency--
* ue_t0 needs to be as close to body load as possible.
* - ue.tag maps to URLType dimension of OnlineQueryLog in PMET. Because we cannot add
* custome data to other dimensions in PMET through CSM, we are replicating it thrice to
* cover each store, page type, and the intersections of the two.
* - Whitelists are listed in the usage guide:
Part 2 of the Batman adventure that began in DETECTIVE COMICS #31! In this issue, Batman uses a gun for the first time and kills a villain! This marks the first time a costumed hero uses a gun in comics.
This issue also features the origin of Batman told for the very first time and features a cover with Batman having a gun holster as part of his costume!
NOTE: Not all backup stories advertised on the cover will be included.