The X-Men are ready for their time to shine in the MCU, with new fan-made character posters hyping up the debut of Marvel's ...

A line-up of classic X-Men have been reimagined as characters from traditional Disney animation in stunning fan art. Marvel’s famed mutant team are among the most popular in Marvel’s pantheon.

so maybe that’s how Marvel Studios will bring in other X-Men characters? It’s also possible that, because this is just concept art, that Doop was thrown in as a joke rather than confirmation ...