Marvel v DC

Campaign Mode
?

Challenge Mode
?

Versus Mode
?

Online Mode
?

Training Mode
?

Museum Mode
?

Options Mode
?

Gameplay
The gameplay is similar to the Injustice series.

Plot
see here

Marvel

 * Iron Man
 * Captain America
 * Wolverine
 * Thor
 * Hulk
 * Hawkeye
 * Black Widow
 * Falcon
 * Cyclops
 * Doctor Strange
 * Black Panther
 * Ant Man
 * Spider Man
 * Magneto
 * Dr. Doom
 * Thanos

DC

 * Green Arrow
 * The Flash
 * Superman
 * Wonder Woman
 * Aquaman
 * Shazam
 * Batman
 * Cyborg
 * Vibe
 * Cyborg
 * Elanogated Man
 * White Canary
 * The Atom
 * The Joker
 * Les Luthor
 * Darkseid

Motion Capture/Face Capture/Voice Cast

 * Robert Downey Jr. as Tony Stark/Iron Man
 * Hugh Jackman as James "Logan" Howlett/Wolverine
 * Henry Cavill as Kal-El/Clark Kent/Superman
 * Stephen Amell as Oliver Queen/Green Arrow

Trivia

 * This game was made in memory of Stan Lee.