A crossover with Fallout could soon happen in the shooter Call of Duty: Modern Warfare III.
With each season, Activision brings tons of new content for Call of Duty: Modern Warfare III. New maps, game modes, operators, weapons and other cosmetics will be added. Crossovers with other games, brands and more can also be seen from time to time.
A future crossover in the current part of the shooter could hit like a bomb, because it’s about the Fallout franchise.
The account from posted on X CODWarfareForum an image that is said to come from the code of the Season 3 Reloaded update. Data mining found entries for Season 4 with references to Fallout, Gundam and The Crow.
Activision with Call of Duty and Bethesda with Fallout both belong to the Microsoft family. It is therefore not impossible for a partnership to result in a crossover.
The question remains whether the code shown is still current or whether you were just playing with an idea that was not implemented.