Marvel Snap is accused of plagiarizing fan art for its card designs ... as others have brought up cards based on Young Avengers member Wiccan and Sentry that they say closely resemble other ...

What's funny, is for the past few months ive been repeatedly emailing Marvel ... including Wiccan and Sentry, have been faced with allegations of being copied or traced from fan art of the same ...

Artwork for Doomsday supposedly leaked onto the internet last month, teasing the likes of Young Avengers' Kate Bishop, Ms. Marvel, Cassie Lang, Wiccan ... more like fan art than anything else.