@teddie: Not all classes had to spend much time behind cover in ME2 and 3. The class in this trailer appears to be a Vanguard based on the biotic charge and they were almost never hiding, especially in 3.
I just watched an IGN video earlier today where they said they were taking cues from ME3 multiplayer combat for the singleplayer in Andromeda, aiming for having a player only taking cover for tactical reasons.
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