Call of Duty crossovers used to be occasional gimmicks. Now they are everywhere, from Godzilla stomping through Warzone to NieR androids showing up in COD Mobile. It looks cool, it gets attention, and it keeps the game feeling fresh.
But here’s the part most players ignore. Every crossover update adds assets, effects, and background changes that can quietly mess with your performance. If your FPS suddenly dropped after a big update, it is not just in your head.
In this guide, we break down what Call of Duty crossovers actually are, list the biggest ones so far, and explain why these updates can hit your PC harder than expected.
What Are Call of Duty Crossovers? (Quick Answer)
Call of Duty crossovers are limited-time collaborations where characters, skins, and themes from other franchises are added into the game. These usually appear as operator bundles, events, or seasonal updates.
Some of the most notable examples include:
- NieR: Automata (COD Mobile)
- Godzilla vs Kong (Warzone)
- Rambo and Die Hard
- Ghostface from Scream
- The Boys crossover event
These crossovers are designed to keep players engaged and bring in fans from other franchises. They also help Call of Duty compete with live-service giants that constantly rotate content.
Why Call of Duty Is Going All-In on Crossovers
Call of Duty has shifted from a purely military shooter into a full live-service ecosystem. Crossovers are now a core part of that strategy, not just side content.

The addition of NieR: Automata into COD Mobile is a perfect example. A story-heavy RPG suddenly appearing in a fast-paced shooter sounds strange, but it works because both share themes of combat, survival, and futuristic warfare.
Mobile is where a lot of experimentation happens. With Call of Duty Mobile carrying a massive player base, Activision can test ideas that may later influence Warzone or future releases.
This also helps pull in players who might normally stick to other genres. If you are coming from RPGs or anime-style games, a crossover might be the only reason you even try Call of Duty.
If you want to explore how different genres build skills like awareness and timing, check out our guide on Dota 2 learning curve.
All Major Call of Duty Crossovers (So Far)
Call of Duty has built up a surprisingly large list of crossover content over the years. These are not just cosmetic additions, they often come with themed events, game modes, and map changes.
- NieR: Automata – Android-themed operators and futuristic weapon skins in COD Mobile
- Godzilla vs Kong – Large-scale Warzone event with environmental changes
- Rambo / Die Hard – Classic action heroes added as operators
- Ghostface (Scream) – Horror crossover bringing iconic slasher aesthetics
- The Boys – Superhero-themed skins with over-the-top visuals
- Attack on Titan – Anime-inspired skins and gear

Each of these updates adds new assets to the game, which is great for variety but not always great for performance.
If you are looking for other shooters that run well without heavy updates, check out our list of best FPS games for PC and our traffic-heavy guide on free FPS games for low-end PCs.
Do Call of Duty Crossovers Affect Performance?
This is where things get real. Every crossover update increases the complexity of the game, and your system has to deal with that whether you care about the skins or not.
Here is what typically happens behind the scenes:
- Larger updates – More assets mean bigger installs and longer load times
- Higher texture load – Detailed skins and effects increase GPU pressure
- More background processes – Events and UI changes add overhead
- Frametime instability – More visual effects can cause stutter
On high-end systems, this might be minor. On older rigs, especially DDR3-era builds or integrated graphics, the difference is noticeable.
If your game suddenly feels worse after an update, you are not imagining it. This is a common pattern across live-service games.

For deeper fixes, start here:
If your system is starting to struggle, it might also be time to rethink your hardware setup. This guide on how to pick PC parts that actually fit and perform can help you plan smarter upgrades.
Are Crossovers Ruining Call of Duty?
Not everyone is happy about this direction. A big part of the community feels that crossovers are pushing Call of Duty too far away from its original identity.
The argument is simple. Call of Duty used to focus on grounded military realism. Now you can have anime characters, movie icons, and sci-fi androids running around the same map.
For some players, that variety is fun. For others, it breaks immersion completely. This is the same debate we have seen with other live-service games, especially when comparing COD to titles like Fortnite.
The reality is that Activision is prioritizing engagement over realism. Whether that is good or bad depends on what you expect from the game.
What’s Next for Call of Duty Crossovers
If the current trend continues, crossovers are only going to get bigger and more frequent. Mobile will likely remain the testing ground, with successful ideas moving into Warzone and future mainline releases.
We can expect more anime collaborations, more movie tie-ins, and possibly even full seasonal themes built around external IPs.
This also means updates will continue to grow in size and complexity. If performance is already an issue for you, future updates are unlikely to make things easier.
If you want to stay ahead of these changes, keep an eye on broader trends in live service games in 2025 and how new releases are evolving.
Final Thoughts
Call of Duty crossovers are not going anywhere. They bring variety, attract new players, and keep the game relevant in a crowded market.
But they also come with a cost. More content means more strain on your system, especially if you are running older hardware.
The key is understanding what is happening behind the scenes so you can adjust before performance becomes a problem.
Now your turn: Which crossover actually made you come back to Call of Duty, and did your FPS survive it?




