From searching for Themyscira, I've learned a lot about lost worlds in other dimensions. That plane -- if I'm right, it was flown by a U.S. Air Force pilot who made this world his own. As for the world itself -- it has a name... we're lost in Skartaris. 
Trinity (Volume 2) #17 is an issue of the series Trinity (Volume 2) with a cover date of March, 2018. It was published on January 17, 2018.
Synopsis for "No Home for You Here, Part 1"
Appearing in "No Home for You Here, Part 1"
Featured Characters:
Supporting Characters:
Villains:
- Lizard Men
Other Characters:
- Amazons of Themyscira (Mentioned only)
Locations:
- Atlantic Ocean
- Skartaris
- Ba'al Forest
- Gotham City (Mentioned only)
- Themyscira (Mentioned only)
Items:
Vehicles:
See Also
Links and References
Look at how sad this is making Batman. You did this.