1. Age of Ultron vs. DC Universe

2. Marvel Zombies vs. Capcom

3. MCU Zombies vs. Supernatural

4. Age of Ultron vs. SCP Foundation✔️

5. Age of Ultron vs. Undertale

6. The Sentinels vs. My Hero Academia✔️

If you have anymore ideas anyone? Don't hesitate to put it in the comments.